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BELARUS-1221.2/1221

В

.2/1221.3 Operating controls and instruments

22

31.   Range Shift Lever
32.   PTO control lever
33.   Fuel delivery control lever
34.   FDA and rear axle differential lock control

unit

35. Position control lever
36. Draft control lever

37.   Stop of position control lever
38.   Battery disconnect switch
39.   PTO shift lever (independent
  - synchronous)
40.   Ranges shift lever
41.   Parking brake lever

Important:

Before operating tractor for the first time, study all of the controls and in-

strument locations and their functions.

The given information will help you to study the controls and instruments so that the

tractor may be operated safely.

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Содержание 1221.2

Страница 1: ...BELARUS 1221 2 1221В 2 1221 3 1221 0000010РЭ OPERATORS MANUAL 2009 ...

Страница 2: ... about their adjustments and maintenance is provided Operators manual is meant for tractor operators who operate BELARUS tractors In view of P A MTW policy directed to constant upgrading of produced goods the con struction of some units and parts of Belarus tractor may undergo changes which are not reflected in present edition Some technical data and illustrations given in this book may differ fro...

Страница 3: ...ls and instruments 21 Operating instructions 70 Tractor preparing for operation 150 Adjustments 157 Aggregation 174 Possible defects and ways of their elimination 214 Scheduled technical maintenance 228 Tractor transportation and its towing 281 Tractor storage 282 Appendix 283 ...

Страница 4: ...along tractor strike Note In connection with carrying out regular works on improving Belarus tractors and working conditions alterations not represented in this edition may be made in de sign It is forbidden to reequip and change tractor construction without conformation to manufacturing works TO CONSUMERS ATTENTION Your tractor is equipped with range type gearbox In addition the ranges are shifte...

Страница 5: ...r gears breaking and tail breaking of PTO When adjusting operating and parking brakes make sure that the ground is horizon tal the engine is not running rear wheels from front and back are supported by wedges to exclude accidental movement of the tractor Adopted abbreviations and symbolic notations АDL automatic differential lock AB accumulator battery RADL rear axle differential lock PFE paper fi...

Страница 6: ...rol operating direction brake fast parking brake slow horn forward alarm signaling reverse fuel level in the tank battery charging condition coolant cab dome light starting preheater plug marker lights engine speed turning signals engine oil pressure headlights main beam engine coolant temperature headlights lower beam off stop working headlights on start differential lock continuous change PTO en...

Страница 7: ... position front windscreen wiper control valve spool float position rear windscreen wiper oil pressure in gearbox trailer turning signal air pressure in pneumatic system oil pressure in HPS high voltage oil pressure in transmis sion coolant level brake fluid level trailer train lights pressure in breaking system air filter impurity ...

Страница 8: ...encement of op erations Before starting operations make sure that they are in good order Trailed agricultural machines and transport trailers should have rigid hitches preventing their sway ing and rear end collision with the tractor during a hauling Safety measures during tractor op eration Warning Do not ever start the en gine while being outside the opera tor s workplace Always stay in the cab ...

Страница 9: ... you and for the people around Do not use imple ments which are not designed for installation on this tractor 20 To prevent tractor roll over be careful during the driving the trac tor Select a safe speed corres ponding to the road conditions es pecially during cross country driv ing driving over ditches slopes and sharp turns 21 When working on hillsides increase tractor wheel tread to maximum wi...

Страница 10: ...e and tractor cleaning prepa ration for work maintenance etc when the engine is shut down and brakes are applied 35 The cooling system operates under pressure which is maintained by the valve installed in the filler cap It is dangerous to remove the cap when the engine is hot To avoid face and hands burns be careful while opening radiator filler cap when the engine is hot Put close cloth on the ca...

Страница 11: ...gin Use cab natural ventilation or cab air heating and cooling unit according to operation conditions If the time of continuous tractor op eration during a work shift exceeds 2 5 hours it s necessary to use personal noise protection equipment according to GOST 12 4 051 87 earplugs anti phons Fire safety requirements 1 The tractor should be equipped with firefighting equipment shovel and fire extin...

Страница 12: ...arts 13 Do not use open fire for heating up the oil in the engine pan when fill ing in fuel tanks and for burning off the contaminant pollution of the ra diator core 14 When the fire seat occurs cover it with sand or with canvas cloth or other close cloth Use the carbon dioxide fire extinguisher Do not ex tinguish burning fuel with water 15 See that there are no flammable materials near exhaust ma...

Страница 13: ...0 10 В Height mm 2850 50 Г Wheelbase mm 2760 30 Д Front track width mm 1540 2090 Е Rear track width mm 1530 2150 Ж Ground axles under axle tubes mm not less than 620 Operating weight as shipped from plant kg 5370 100 Identification numbers of tractor constituents Tractor identification plate indicates trac tor serial number and engine serial num ber ...

Страница 14: ...plicated on the right sidemember and on the plate of right and left sidemembers Engine serial number is also indicated on the engine identification plate located on the left side of cylinders block Engine turbocharger identification number Clutch coupling identification number ...

Страница 15: ...BELARUS 1221 2 1221В 2 1221 3 Technical data 14 Gearbox identification number Transmission identification number Front driving axle identification number Cab serial number and OECD certificate number ...

Страница 16: ...ratio calculated 16 17 Cylinder bore 110 mm 110 mm Piston stroke 125 mm 125 mm Displacement 7 12 l 7 12 l Firing order 1 5 3 6 2 4 1 5 3 6 2 4 Engine aspiration turbo charged turbo charged Cooling system liquid liquid Rated speed 2100 rev min 2100 rev min Maximum no load speed 2275 rev min 2270 rev min Minimum idle speed 800 50 rev min 800 50 rev min Rated power 98 0 2 0 kW 100 2 0 kW Peak torque ...

Страница 17: ...ation of foreign producers turbo chargers is possible Engine cooling system Type Pressurized liquid cooling system with automatic temperature control by friction clutch and two thermostats Oil cooling by oil to water heat ex changer built into cylinder block Normal operating temperature from 80 C to 97 C Cooling system capaci ty 24 L Engine lubrication system Type Combined with oil to water heat e...

Страница 18: ...chnical data 17 Gearbox 1 Type 16 8 mechanical step wise range It provides with 16 forward gears and 8 reverse gears Tractor design travel speeds in km h GB 16 8 tyres 18 4R38 Tractor design travel speeds in km h GB 16 8 tyres 16 9R38 ...

Страница 19: ...hnical data 18 2 Type 24 12 16 8 mechanical step wise range It provides with 24 forward gears and 12 reverse gears Tractor design travel speeds in km h GB 24 12 tyres 18 4R38 Tractor design travel speeds in km h GB 24 12 tyres 16 9R38 ...

Страница 20: ...c distributor of FDA control hydraulically operated spool type electrically controlled PTO drive Type independent two speed and synchronous Drive clutch Planetary reduction gear with band brakes Drive Mechanical by lever on control panel PTO end speed Independent drive I 540 rpm N 60 kW 82 h p II 1000 rpm N 90 kW 123 h p Synchronous drive 4 36 rev meter of travel when fitted with tires 16 9R38 4 1...

Страница 21: ... distance of 610 mm from lower links balls 35kN 3500 kgf Electrical equipment Voltage 12V Power system two 12 V accumulator batteries with capacity 120 А h Alternator with built in rectifier and regulator power 1150 Wt Lighting and light alarm system front driving lights with high low beam front and rear work lights front and rear lamps dash board light and rear registra tion plate light hazard wa...

Страница 22: ... 14 Tachospeedometer programming unit 5 15 Control lever of hydraulic system right rear outlets 16 Control lever of hydraulic system right side outlets 17 Control lever of hydraulic system left rear outlets 18 Instruments and starter switch 19 Blind plug 20 Blind plug Battery disconnect switch for tractor BELARUS 1221В 2 21 Gas pedal 22 Right brake pedal 23 Left brake pedal 24 Steering column tilt...

Страница 23: ...r 36 Draft control lever 37 Stop of position control lever 38 Battery disconnect switch 39 PTO shift lever independent synchronous 40 Ranges shift lever 41 Parking brake lever Important Before operating tractor for the first time study all of the controls and in strument locations and their functions The given information will help you to study the controls and instruments so that the tractor may ...

Страница 24: ...ontrols and instruments 23 Starter and instruments switch 1 The switch 3 has 4 positions 0 Off I Instruments control lamps unit radio equipment power supply On II Starter On non fixed position III Radio power supply when the engine is stopped ...

Страница 25: ...h then to the relay of instruments power supply to the fuse F2 of the unit and further to the units HG1 and HG2 tachospeedometer Р1 alarm device НА2 combination meter Р1 and speed sensors BV1 and BV2 The instruments pointers shall move to the zero position of the scale or to the position corresponding to the true value of the parameter controlled by the system at the mo ment In case of deviation o...

Страница 26: ...otational speed is taken from the phase winding of the alternator 1 2 Tachospeedometer control board Fig 2 The control board is installed in the instruments dashboard and serves for programming the tachospeedometer to the specific model of the Belarus tractor Fig 2 Control board А3 1 Button for setting the tachospeedometer to the programming mode and selecting the programming parameter on the tach...

Страница 27: ...00 program the engine model parameter D press the button 1 and call the parameter D to the tachospeedometer display 3 press the button 3 and set the necessary engine model according to Table 3 Table 3 Engine model Д 260 2 Д 260 2С Д 260 2S2 Rated rotational speed rpm 2100 2100 2100 Number programmed 260 2C 260 2C 260 2C On the expiry of seven seconds after programming the instrument returns automa...

Страница 28: ... alternator driving belt 4 Over or understated readings of the engine and PTO s rotational speeds with the nominal movement of the pointer Check the correctness of programming the instrument according to the engine model parameter D see item 1 3 5 The counter of astronomical hours of the engine running fails to accumulate the operating time Check the connection of the wire to the contact 8 of the ...

Страница 29: ...he respective LED 7 Alarm of the overvoltage in the tractor on board power system red operates if the voltage exceeds 18 5 V In this case the instrument is switched off because the protective device operates Should the voltage drop down to 16 5 V the indicator returns to the operating state and the overvoltage indicator goes out Indicator operating procedure On switching on the power supply the in...

Страница 30: ...nking with the period of 0 3 s set the required value of the less significant digit of the selected parameter by pressing the button 2 press shortly the button 1 then the second from the right digit of the digital indicator shall start blinking set the required value in the second from the right digit of the parameter to be cor rected by pressing the button 2 press shortly the button 1 then the th...

Страница 31: ...el reduction gear parameter K1 from Table 5 Table 5 Gear ratio of the wheel reduction gear K1 Tractor model 3 43 Belarus 1221 and modifications according to the number of gear teeth at the place of installation of the speed sensors parameter Z1 from Table 6 Table 6 Number of teeth Z1 Tractor model 54 56 Belarus 1221 and modifications With driven gear 1522 2407122 rear wheel rolling radius paramete...

Страница 32: ... 2S2 3 To display correctly the PTO s rotational speed 540 and 1000 it is necessary to program the gear ratio of the PTO 540 K3 and PTO 1000 K4 from Table 9 and the number of teeth of the pinion at the place of installation of the PTO sensor Z2 Тable 9 The gear ratio of the PTO drive Engine mark Д 260 2 Д 260 2C Д 260 2S2 540 К3 0 26 0 26 0 26 1000 К4 0 46 0 46 0 46 in case of absence of the PTO r...

Страница 33: ...nals from the both speed sensors BV1 BV2 5 Signalling of operation of the speed sensor as in case of absence of a signal from one of them a in case of absence of the signal from the right wheel speed sensor BV1 within 12 s after starting the motion the symbol is displayed on the right of the digital indicator check the connection and serviceability of the right wheel speed sensor b in case of abse...

Страница 34: ...le segments yellow HG7 HG9 PTO scale segments green HG11 HG12 scale range indicator of the PTO 1000 and 540 respectively yellow Operating principle of the PTO rotational speed indicator 1 In the absence of the PTO rotational speed sensor the designations of the 540 and 1000 scales as well as the indicator of the scale ranges HG11 HG12 light up simultaneously on starting the engine when a signal co...

Страница 35: ...e rotational speed value at which the 1000 scale designation is switched on the 540 scale designation is only switched on in the presence of the signal from the sensor and switched off when the 1000 designation is switched on or in case of signal absence for more than 3 s the exact value of the PTO rotational speed can be seen on the indicator РS1 РS1 the LCD multifunction indicator displays simul...

Страница 36: ...r in the absence of signals from the speed sensors NOTE To switch over between the indication modes Total astronomic time of run ning the engine PTO rotational speed Volume of the fuel remaining and fault messages press the Mode Режим button of the control panel HG1 is the indicator of the overvoltage in the on board power supply system It lights up when the voltage of the on board power supply sy...

Страница 37: ...uch an instrument be unavailable the pro gramming shall be performed by means of the above buttons 1 10 CI programming procedure 1 On selecting the fixed value of the programming parameter 1 1 On pressing the Parameter Параметр button for the first time the LCD is switched to the mode of viewing the parameter to be programmed and its numerical value On pressing this button repeatedly the parameter...

Страница 38: ...programmed Entering the parameters to be programmed 1 To display correctly the tractor motion speed it is necessary to program in the speci fied order the following parameters Parameter Z is the number of pinions teeth of the final shafts of the driving wheels right and left over which the rotational speed sensors are installed Select from the Table Number of teeth Z Tractor model 54 56 Belarus 12...

Страница 39: ...1221 and modifications КV2 0 46 in the absence of the PTO rotational speed sensor the signal from the phase winding of the alternator serves as a signal for indication of the PTO rotational speed the value of the parameter ZV to be entered shall be equal to 0 in the absence of the PTO rotational speed sensor the signal from the phase winding of the alternator serves as a signal for indication of t...

Страница 40: ...PTO indicator segments and LCD is automatically reduced IMPORTANT Each time the power supply of the CI is switched ON the functioning of the pointer indicators and PTO indicator scale elements is tested Within one sec ond after this the indicator pointers deviate from the initial marks above the following first marks of the scales above 5 for the motion speed and above 10 for the rota tional speed...

Страница 41: ... board contact Parameter selection 4 To the control board contact Parameter value 5 6 7 To the fuel volume sensor 8 To the control board contact M 9 To the control board contact UBZ 1 12 Indicator Diagnostics and Troubleshooting 1 No instrument backlight Check the power supply of the output 9 of the 13 contact block ХР1 of the instrument Fig 5 2 Jerking and jumps of the pointer of the engine rotat...

Страница 42: ...l volume sensor FFVS to the contact 7 of the block ХР2 8 No readings of the tractor motion speed Check the presence of the signals from the both speed sensors BV1 BV2 9 The 0km h or 0кm h readings appear on the indicator display within 10 12 s after starting the motion of the tractor no signal from the left speed sensor BV2 check the serviceability of the sensor no signal from the right speed sens...

Страница 43: ...ne of the left and right final pinions 6 of the final drives The gap S between the end face of the sensor and projection of the tooth of the fi nal pinion shall be adjusted by means of the spacers 5 as follows 1 measure the dimension Н from the surface of the cover 1 to the tooth projection 2 select and place the necessary number of spacers for setting the gap S corresponding to the measured value...

Страница 44: ...nd the starter switch key 3 page Г3 is in the I position When the engine is run ning it indicates the voltage at the gen erator terminals The voltage indicator scale has the following zones Fig 7 Combination meter Scale zone colour Power supply system state when the engine is running when the engine is not running 13 2 15 2 В green normal charging mode 10 0 12 0 В red generator is not working Accu...

Страница 45: ...e in the pneumatic system 7 with the emergency pres sure control lamp The indicator scale has three zones operating 5 0 8 0 kgf сm2 non operating 0 0 5 0 and 8 0 10 0 kgf сm2 Gear oil pressure indicator 6 without emergency lamp The indicator shows gear oil pressure and oil pressure in hydraulically operated FDA drive clutch The indicator scale has three zones operating 8 0 15 0 kgf сm2 non operati...

Страница 46: ...e instrument backlight switch 2 To the terminal of the battery 3 Monitoring the storage battery charg ing 4 Buzzer 5 To the sensor of the oil pressure in the engine ВР1 6 To the sensor of the emergency tem perature of the engine cooling fluid SК1 7 To the sensor of the emergency oil pressure in the engine SP2 8 To the sensor of the cooling fluid temperature BK1 9 To the SB terminal 12 V Block Х2 T...

Страница 47: ...t of the scale 1 Breakage of the wire to the terminal 9 of the block Х1 12 V of the SB 2 Breakage of the wire to the terminal 8 of the block Х1 to the temperature indicator BK1 3 Fault of the temperature sensor 4 Fault of the temperature indicator 3 Indicators of the oil pressure in the engine 2 air pressure in the pneumatic system 4 oil pressure in the gearbox 3 oper ate with rheostat type sensor...

Страница 48: ...the scale 1 Breakage of the wire to the terminal 9 of the block Х1 to the terminal 12V 2 Breakage of the wire to the terminal 3 of the block Х2 to the fuel level sensor 3 The fuel level sensor is faulty if there is no breakage and the sensor is in good repair replace the combination meter or repair the fuel level indicator 4 2 The indicator pointer goes off scale 1 Breakage of the wire to the term...

Страница 49: ...ion light switch 2 The button 2 has three positions 1 OFF 2 Dashboard lighting clearance lights and number plate light ON 3 All control lamps units including the front headlights ON Fault signalling switch 3 Pressing the button 3 switches the fault signalling on There is a control lamp inside the button which blinks si multaneously with the flashing light sig nalling ...

Страница 50: ...tches on the right or left turning indicator respectively NOTE After completing the turn of the trac tor the lever automatically returns to the neutral position Horn beep Pressing the switch lever end the beep switches on Upper lower beam When the road headlights are switched on pushing the lever switches on the upper beam and pulling the same lever switches on the lower beam Pulling the lever fur...

Страница 51: ...r supply mode ON Rear working lights switch 3 Pressing the button 3 switches the rear working lights and the roof backlight lamp Front working lights switch 4 Pressing the button 4 switches on the front working lights and the button back light lamp Road train sign lighting switch 5 On pressing the button 5 the three or ange lights on the roof forepart are switched on and the button is backlit Cond...

Страница 52: ...blinks at the frequency of 1 5 Hz the gearbox control lever is not in neutral position or the engine starting locking switch circuit is out of order If the lamp blinks at the frequency of 3 0 Hz there is a failure in the alternator phase winding circuit Eliminate the fault and restart 5 Starting aid lamp orange 6 HPS emergency oil pressure The lamp red lights up when oil pressure in HPS feeding sy...

Страница 53: ...lights up when oil pressure in HPS feeding system is below the allow able level 5 Air filter blocking orange The control lamp lights up when the maximum allowed level of filter block ing is exceeded and it needs cleaning 6 Reserved indicator blue 7 Rear axle differential locking control lamp green The lamp green is on when switching automatic differential locking 8 Starting aid lamp orange 9 Reser...

Страница 54: ...15 A 7 Left clearance lights 7 5 A 8 Right clearance lights and back lights of the dashboard and registration plate 15 A 9 Lower beam of the left road head light 7 5 A 10 Lower beam of the right road headlight 7 5 A 11 Instrumentation control lamps blocks parking brake indicator 7 5 A 12 Turn indicator relay 7 5 A 13 Front working lights 25 A 14 HMS supply 25 A 15 Side board supply PTO DL 15 A 16 ...

Страница 55: ...lit dimly 2 Check the circuit from the fuse to the consumer and ensure that the lamp is not lit or is lit dimly in the presence of a switched on consumer in the circuit 3 Fit a new fuse During the operation the contact resistance between the fuse and its holders can increase due to oxidization It results in increase of the voltage drop in the circuit and heating causing the circuit failure The def...

Страница 56: ...lectrical equipment of trailed agricultural implement and ser vice lamp It is installed on the cab s rear support A plug of the wire bundle of the hitched machines and a plug of service lamp are connected to the socket Socket connection terminal marking 1 Turn indicator left 2 Horn 3 Ground 4 Turn indicator right 5 Right clearance light 6 Stop light 7 Left clearance light 8 Service lamp connection...

Страница 57: ...ting 1 and a lever of gears shifting 2 Select the required ranges and gears in accordance with the shifting patterns I and II as shown on the figure below IMPORTANT In order to shift the gear correctly smoothly without jerks move the gear shifting lever 2 in accordance with the pattern see the figure above and keep it pressed until the gear is switched ...

Страница 58: ... the fig ure on the right pattern I On button 2а of gearbox reducer low gear L On button 2в of gearbox reducer high gear H Ranges shifting lever 1 The shifting pattern is shown in the fig ure on the right pattern II А two low ranges of forward motion В two high ranges of forward motion R two ranges of reverse motion Н high pass of gearing L low pass of gearing ...

Страница 59: ...cally switches to the middle position Diffe rential lock is switched off On switching on the differential lock alarm lamp 3 lights up which goes off when the differential lock switches on au tomatically and when the button 4 is put in the middle position Important Engage the forced differ ential lock only shortly to overcome road obstacles and carry out the field and transportation works Warning D...

Страница 60: ...de Attention 1 Operating on the roads with hard surface switch off the FDA middle po sition of the button 2 in order to pre vent tyres and drive parts from in creased wear 2 Use the forced FDA engaging mode shortly only to overcome obstacles and when operating on reverse 3 It is categorically forbidden to oper ate in the mode of forced FDA en gagement when the speed is over 15 km h 4 It is categor...

Страница 61: ...w gears on minimum engine idle speed doing the following Start the engine and set the minimum idle speed Press home the clutch pedal and en gage I or II gear Release the clutch pedal slowly and simultaneously turn the lever 2 in the extreme left position Speed switch of independent PTO drive Independent drive lever 1 has two posi tions I 540 rpm extreme contraclock wise II 1000 rpm extreme clockwi...

Страница 62: ...om 0 to 10 The position control lever 1 has follow ing positions Extreme rearward 1 transport position of rear lift device Extreme forward 9 minimum height of the implement above the ground The maximum lifting height of the imple ment using the lever 1 is eliminated by adjustable stop 3 Note The mixed control is carried out by means of the limitation of the tillage depth using the lever 1 during d...

Страница 63: ...s fixed by the bolt II non working position Important Set the lever 1 in the posi tion II when there is a necessity to re move and to mount the assembled GB pump drive 4 and then fix the lever 1 in the position I again Hydraulic system distributor control Each of the three remote levers 1 2 3 controls the remote cylinders and has four positions Neutral low middle fixed Lift low non fixed after rel...

Страница 64: ...e cover 2 Unscrew the clamp 1 for 3 5 turns Set the steering wheel in the required position Tighten the clamp 1 manually and fix the cover 2 back Note Steering wheel height adjust ment range is 100 mm The steering column can tilt to four dif ferent positions from 25 to 40 relative to horizontal line in increments of 5 In order to tilt the steering column pull the handle 3 on ...

Страница 65: ...djustment within the range from 15 to 20 for the seat 80 6800010 Carried out by the flywheel 2 To in crease the angle of the back inclination turn the flywheel clockwise to reduce it turn the flywheel contraclockwise Back inclination adjustment within the range from 5 to 25 Р for the seat 80Б 6800000 Carried out by the lever 2 Lift the lever upwards to the stop move the back and release the lever ...

Страница 66: ...t to the reverse position it is necessary to turn the clamps Г off and move them out of the panel brackets edges Д lift the lever Е and turn the seat half way 180 Sharply lift and pull it the seat upwards Set the screws Ж into the slots of the panel brackets Д put the screw З on in the brackets to the stop and fasten the clamps И with the turn ing torque 44 56 Nm ...

Страница 67: ...e lever 2 Lift the lever upwards to the stop move the back and release the lever The back is fixed in the necessary position Longitudinal seat adjustment within the range of 150 mm Carried out by the lever 3 To move the seat forward backward pull the lever upwards move the seat and release the lever The seat is automatically fixed in the necessary position Height adjustment within the range of 60 ...

Страница 68: ...ng or closing recirculation shutters 2 you can control the amount of fresh air coming into the cab from the outside Adjust the air flow direction through controlled channels Note If you want to warm up air in the cab quickly open the recirculation shutters fully and switch the heater fan to high speed using switch 3 Drain plugs 4 from the left hand side and from the right hand side of the cab are ...

Страница 69: ...e pos sibilities of unitizing with the forward mounted agricultural machines The components of the reversible con trol station are as follows additional rear located steering col umn with metering pump double foot controls of the engine throttle clutch and service brakes mechanism of seat reversal additional horn button and the en gine emergency modes indicators ATTENTION 1 Tractor reverse control...

Страница 70: ...in creased by pressing the foot throttle 5 horn button 6 fuel delivery control lever Ex treme rearward position on re verse corresponds to full fuel delivery extreme forward posi tion corresponds to engine stopping 7 gearbox ranges selecting lever see pattern I 8 transmission speed control lever see pattern II 9 steering column of forward mo tion To adjust the tractor for reverse operation proceed...

Страница 71: ...ctors 14 Fig E 2 three per head are installed The provide the tightness of the joint be tween the cylinder heads and the cylinder blocks a gasket 19 made of asbestos steel cloth is inserted The bores for the cylinder sleeves and the oil passageway are edged with sheet steel When as sembling the engine at the manufacturing plant the cylinder holes in the gasket are additionally edge formed with Tef...

Страница 72: ...driving belt 6 valve timing gear cover 7 jockey 8 alternator driving belt 9 fan 10 water pump 11 thermostat housing 12 piston pin 13 connecting rod 14 piston 15 cylinder sleeve 16 cap 17 cylinder head cover 18 cylinder head 19 cylinder head gasket 20 cylinder block 21 rear sheet 22 flywheel 23 counter weight 24 cover 25 crankshaft 26 oil pump header 27 piston cooling jet ...

Страница 73: ...the flywheel The valve actuating and timing gear re fer to Fig E 2 consists of timing gears camshaft inlet and outlet valves as well as their fitting and driving parts The camshaft 1 is driven from the crankshaft through the valve timing gears and rides on four supports The tappets 2 are steel members with spherical bottoms The camshaft cams are made with a slight tilt that forces the tap pets to ...

Страница 74: ...13 support 14 injector 15 fuel pump 16 boost fuel hand pump 17 plug to bleed air from the oil pump head 18 sealing collar The distributive type fuel pump shown in Fig E 2 is not used at present The Д 260 2 Д 260 2С Д 260 2S2 engines are equipped with in line pumps Type 363 40 YAZDA Open Joint Stock Company Russia or PP6M10P1f Motorpal Czechia The Д 260 2 engine may be equipped with the РР6М10Р1f 3...

Страница 75: ...st as well as after replacing or installing the fuel pump after adjust ment and or repair be sure to check the timing angle of the fuel pump To check the timing angle proceed as follows set the regulator control levers to a position corresponding to maximum fuel feed disconnect the injection pipeline from the union of the first pump section connect a fuel injection timing meter momentoscope instea...

Страница 76: ...he injection meter glass tube is full set the fuel pump shaft to its ex treme counter clockwise position within the limits of the slots remove part of the fuel from the device glass tube rotate slowly the fuel pump shaft clockwise until the fuel in the glass tube begins to rise at the moment when fuel starts to rise in the glass tube stop rotation of the shaft and tighten home the nuts fastening t...

Страница 77: ...mp head 7 fuel offtake pipe from the lower pressure chamber to the fuel lift pump 8 pipe to deliver fuel from the fuel lift pump to the fine fuel filter 9 plug to drain sludge 10 fine fuel filter 11 fuel offtake pipe from the fine filter to the lower pressure chamber of the pump 12 fuel injection pipe 13 pneumatic adjuster 14 air delivery pipe from the turbocharger downstream air delivery conduit ...

Страница 78: ... regular replacement of filter elements and rubber gaskets and observance of the operating instructions To bleed air from the diesel engine feed circuit the filter housing is provided with a plug 26 refer to Fig E 3 Fuel injection into the cylinders is achieved by injectors 19 refer to Fig E 3 ФДМ 22 closed type with five bore nozzles The diesel fuel injection pump 5 refer to Fig E 3 is an in line...

Страница 79: ...m the cyl inders enter the gas turbine chamber from the exhaust manifold While expanding the gases rotate the turbine wheel to gether with its shaft the other end of which is fitted with the compressor wheel From the turbine the gases are dis charged into the atmosphere through an exhaust pipe The air pressure differential downstream the compressor in the rated mode of the engine running shall be ...

Страница 80: ...om the discharge chamber into the suction cham ber The oil filter is of the single flow type with a paper filter element The filter is pro vided with an overflow valve 1 The valve opens in case of excessive clogging of the filter element as well as when attempting to start a cold engine and returns oil into the main pipeline while bypassing the filter element This valve is not adjustable Be sides ...

Страница 81: ...at exchanger 4 main oil pipeline 5 oil pressure sensor 6 manometer 7 turbocharger 8 fuel pump 9 compressor of the pneumatic system 10 intermediate pinion 11 oil passageway to rocker arm axle 12 camshaft 13 crankshaft 14 centrifugal oil filter 15 piston 16 cooling nozzle 17 oil pan 18 drain plug 19 oil pickup 2 oil pump 21 relief valve ...

Страница 82: ...kgf cm2 while an air valve monitors the vacuum within 0 008 0 01 MPa 0 08 0 10 kgf cm2 The fan runs in the two operating modes automatic forced The automatic mode is provided through a viscous friction coupling 12 refer to Fig E 8 as follows at the coolant temperature below 80 C the return spring 7 holds the valve 10 closed viscous liquid flows over to the clutch reserve cavity the driving 11 and ...

Страница 83: ...ltage regulator The alternator is driven from the crankshaft pulley with a V belt The engine is started by a 5 5 kW 24 V electric starter The starter is switch on remotely by means of an electromagnetic relay and starter switch To facilitate the engine starting at low temperature the remotely controlled glow plugs are used installed in the cylinder heads The plugs when switched on heat the air suc...

Страница 84: ... clutch Fig E 10 is of friction double dry disk permanently closed type Fig E 10 Clutch 1 flywheel 2 intermediate disk 3 pressure disk 4 input shaft 5 clutch hub 6 bearing 7 power shaft 8 hub 9 vibration damper 10 release lever 11 friction pad 12 leverage 13 bearing disk 14 fork 15 washer 16 adjusting nut 17 throw out bearing 18 retractor 19 bracket 20 coupling bushing 21 fork 22 fork control axle...

Страница 85: ...justment of its position when disengaging the clutch Forks 14 give support to the release lev ers The forks are attached to the bearing disk by means of adjusting nuts 16 fixed with washers 15 Clutch control BELARUS 1221 2 1221 3 The clutch is disengaged by stepping on the clutch pedal 1 Fig E 11 which acts through the linkage 1 8 5 onto the retractor 18 Fig E 10 and the throw out bearing 17 When ...

Страница 86: ...trol train functions as a mechanical one Fig E 11 Fig E 11а Clutch control of a reversible tractor 1 clutch pedal 2 operating cylinder with a rod 3 axle 4 8 contracting spring 5 hose 6 hydraulic booster 7 bracket 9 rod 10 lever 11 discharge oil pipeline 12 delivery pipeline 13 backward spring 14 overhung pedal 15 pin 16 axle 17 boot 18 bracket 19 piston rod 20 piston 21 master cylinder 22 oil pipe...

Страница 87: ... means of synchronizers The GB provides 16 forward and 8 reverse speeds as well as FDA and synchronous PTO drive The GB consists of housing speed gear as sembly downshift gear shaft and reverse gear gear cluster secondary gear shaft control mechanism and the GB hydraulic system Fig E 12 Transmission gearbox 1 primary shaft 2 20 bushings 3 synchronizer 4 forks 5 7 dog 6 fork assembly 8 ball 9 sprin...

Страница 88: ...bearings The bush ing 20 carries a driven gear 11 on its boss The half coupling 12 is mounted between the gears 11 and 14 on the shaft 18 splines The entire set of parts on the shaft 18 is tightened up by the nut 19 The gear 4 of the 1st and 2nd ranges and the gear 2 of the reverse are fitted on the shaft of downshift gears and reverse 1 Fig E 12 2 The gear 8 is mounted on the shaft by means of a ...

Страница 89: ...nd arm 4 The dogs 5 and 7 are in stalled in the fork member 6 Fig E 12 with the forks 4 fixed thereto To ex clude simultaneous engagement of two speeds the locking balls are located be tween the dogs 5 and 7 To hold the forks 4 in the neutral and engaged posi tions the spring loaded ball point locks 8 are provided The speed range change over mecha nism consists of a fork 11 of the range change ove...

Страница 90: ... forks 2 5 6 10 15 dogs 3 13 bolts 7 dog 9 pin 11 lock 12 spring 8 ball 16 filter 17 pump casing 18 inner shaft To exclude simultaneous engagement of the two toothed couplings 26 Fig E 12 1 and 3 Fig E 12 2 the locking balls 8 Fig E 14 are installed in holes in the GB casing Fig E 14 ...

Страница 91: ...l as the control mechanism and hydraulic system units Fig E 15 1 Transmission gearbox longitudinal section 1 casing 2 4 5 6 10 17 19 20 31 32 34 39 40 41 43 44 45 gears 3 9 26 42 synchronizers 7 fork asembly 8 18 37 forks 11 23 25 27 28 30 35 38 46 49 bearings 12 15 47 50 nuts 13 ball point lock 14 control mechanism 16 21 adjusting shims 22 bearing seat 29 continuous PTO drive shaft 33 gear cluste...

Страница 92: ...d casing 1 The intermediate shaft 48 carries the press fitted driven pinions 54 40 and 39 of the 5th 6th 3rd and 4th gear respec tively The driven pinions 43 and 41 of 2nd and 1st gears respectively rest on needle bearings An inertia type synchro nizer 42 to help engagement of the 1st and 2nd gears The downshift and reverse gear shaft 3 see Fig E 15 2 is mounted in the body 4 and rests on bearings...

Страница 93: ...ork 18 by means of the synchronizer 26 The dog is installed in a recess in the casing 1 and fixed with a ball point lock The sets of components on the primary intermediate secondary as well as down shift and reverse gear shafts are tight ened up by nuts 12 15 47 and 50 Transmission Gearbox Control Mechanism The transmission gearbox mechanism comprises a gear shift mechanism and a speed range chang...

Страница 94: ...ng 4 The speed range change over mecha nism Fig E 15 4 is installed in the transmission gearbox casing 1 and cover of the gear shift mechanism 14 see Fig E 15 1 In the casing 1 the fork 37 for chang ing over the toothed coupling 36 the fork for changing over the toothed cou pling 6 see Fig E 15 2 and the fork 18 for changing over the synchronizer 26 see Fig E 15 1 are mounted on the dogs The dogs ...

Страница 95: ... 7 with further locking by a check nut 8 The cylinder 11 communicates with the hy draulic system through an electro hydraulic valve 14 The sensor 15 connects the valve 14 to the electric cir cuit when the gear shift lever is in its neu tral position only The drawn in position of the cylinder corresponds to the lower L stage of the transmission gearbox re duction gear Pressure sensitive pick ups 10...

Страница 96: ...s neural position only con tacts of the transmission gearbox neutral position pickup 5 are closed Signals are applied to sensors 13 12 and 15 14 from respective pressure sensitive pickups 8 7 Following the engine start up the default setting is the reduction gear low stage ON In this case the LED indicators 13 15 should be on Switch over to the reduction gear high stage is to be effected by depres...

Страница 97: ...itching the range on the interlock mechanism opens the switch contacts and breaks the circuit of the starter intermedi ate relay 1 The shims 9 are provided to adjust the instant of contact opening 9 ATTENTION Before proceeding to starting the engine set the transmission gearbox speed range change over lever to its neutral position Fig E 15 7 Diagram of interlocking the engine starting 1 starter 2 ...

Страница 98: ...rive pinion shaft 11 differential lock clutch 12 differential lock housing 13 hub drive pinion 14 half axle gear bearing washer 15 half axle gear 16 differential cover 17 differential pinion 18 differential spider 19 spherical washer 20 final drive pinion 21 final drive gear 22 differential case 23 bearing 24 thrust ring 25 hub drive pinion 26 right hand pinion shaft 28 service brake 29 service br...

Страница 99: ...rings 23 The shafts 10 and 26 link the half axle gears 15 with the hub drive pinions and the brake disks through their spline joints The hub drive gears 2 33 are mounted on splined bushings 5 which are mounted on ball bearings The adjusting shims 34 with the thick ness of 0 2 mm and 0 5 mm are inserted between the flanges of the bearing bodies 9 27 and the rear axle housing for ad justment of the ...

Страница 100: ... 12 ball 13 pressure disk 14 differential spider 15 lock up shaft 16 brake disk 17 left hand three disk brake housing The clutch consists of lock up shaft 15 which is spline coupled with the differen tial spider 14 body 9 pressure disk 4 release disk 6 diaphragm 5 cover 3 adapter 2 and disks 10 spline mounted on the left hand wheel transmission pin ion Under the action of oil delivered under press...

Страница 101: ... terminal blocks 4 The system is supplied with power from the on board electrical circuit via a safety fuse in the fuse box installed in the dashboard The system is powered after starting the engine The key 6 for con trolling the DL control and DL indicator lamp 7 are installed on the panel 1 face The latter is located over the right hand side tractor control panel How to Use the Rear Axle DL Cont...

Страница 102: ...ke actuator is of mechanical type Each brake is activated by a separate pedal 23 To brake both wheels at the same time interlock of the pedals with a latch strip 24 When the right hand brake pedal is depressed the stop signal lamps light up Fig E 20 Service brakes and their controls exploded view 1 housing 2 brake disk 3 intermediate disk 4 pressure disk 5 ball 6 spring 7 wire 8 nut 9 bolt 10 chec...

Страница 103: ...tial spider The parking brake is applied with the help of lever 11 placed on the right hand wall of the cab The lever is locked when set to work by means of a stop catch 12 on the toothed sector 13 With the parking brake applied the differ ential spider interlocks with the rear axle housing through the shaft 3 pressure disks 2 brake disks 5 and casing 18 Fig E 21 Parking brake structure and contro...

Страница 104: ... which is connected with the service brake cylinder 5 through pipeline 1 The latter exerts its effect on lever 4 of the right hand straight move brake pedal by means of lever 6 and tie rod 11 In the reversal operation mode the both pedals should be interlocked with the latch strip Fig E 21 1 Brake control in the reverse operation mode 1 pipeline 2 reversal brake pedal 3 master brake cylinder 4 rig...

Страница 105: ...d filler plug 23 sealing boot 24 O ring Service brakes The service brakes are of 8 disk type The friction disks 2 are installed in splined ends of the hub drive pinions 16 The pressure disks 6 are similar in design to those used in dry brakes but with a re duced angle of gradient for balls to en sure the required force of compression of the packs of the friction and intermediate packs Attention Th...

Страница 106: ...ressed as oil under pressure is fed to the diaphragm space The frictional torque developed thereby ensures interlocking of the rear axle differential The clutch is made in a single case with the service brake It shares a common oil bath with the brake and is sealed by means of the cover 20 and special corrugated boot 23 slipped over the adaptor 21 which delivers oil to the head space of the dia ph...

Страница 107: ...essure indicator lamp 13 brake valve Air intake into the system is made through the engine inlet duct Air is com pressed in the compressor 1 and then fed to the air bottle 6 via pressure regu lator 2 The latter helps maintain the re quired pressure in the bottle Com pressed air is supplied from the air bottle to the brake valve 13 through the duct 9 From there air goes to coupling head 7 and furth...

Страница 108: ... is provided with a valve type connecting head 7 The connecting head valve prevents the air escape in case of use of the pneu matic actuator without trailer for exam ple when inflating the tyres and in case of emergency detachment of the trailer On coupling the duct of the tractor with that of the trailer the coupling head valve opens to ensure the passage of com pressed air from the tractor s pne...

Страница 109: ...farm machinery brakes are controlled in two modes direct and automatic In case of use of the trailer with double line pneumatic actuator the cou pling heads of the trailer are connected to those 10 with a red lid and 10а with a yellow lid i e to the feed duct 12 and to the control duct 11 Here compressed air is fed continuously to the trailer through the fed duct 12 On stepping the brake pedals or...

Страница 110: ...6 of the PTO epicyclical reduction gear The synchronous drive is provided via the shift clutch 27 which couples the epi cyclical reduction gear shaft 26 with GB pinion The epicyclical PTO reduction gear is lo cated in the rear axle housing and con sists of the crown gear 22 coupled with shaft 26 three satellites 23 on axles 21 cage 25 and sun gear 24 The sun gear 24 is connected with the engagemen...

Страница 111: ...e 11 adjusting screws 12 stop plate 13 stop plate fixing bolt 14 axle 15 rear cover 16 18 brake bands 19 brake drum 20 PTO shaft 21 satellite axle 22 crown gear 23 satellite 24 sun gear 25 cage 26 crown gear shaft 27 drive independent synchronous shift clutch Fig E 23 Rear PTO control mechanism 1 tie rod 2 control cock 3 oil tape off pipeline 4 FDA drive electro hydraulic distributor 5 drain pipel...

Страница 112: ...TO engaged 41 2 mm PTO disengaged Fig E 24 Front PTO control mechanism 1 bundle 2 control panel 3 switch 4 pushbutton 5 pilot lamp 6 bundle 7 electro hydraulic dis tributor Front PTO control mechanism The front PTO is controlled by means of the electro hydraulic system The electric part of the front PTO control system is incorporated in the inte grated system for controlling the real axle DL diffe...

Страница 113: ...ontacts of the relay in the control panel 2 get closed and the electromagnet of the electro hydraulic distributor 7 is energized the slide of the electro hydraulic distributor 7 moves and oil is delivered to the rod free cavity of the hydraulic cylinder for controlling the front PTO and the rod cavity is con nected with the drain The engagement of the front PTO drive is signaled by means of the pi...

Страница 114: ...pport 14 and right arm sup port 22 see fig Д 25 connected to the FDA casing by bolts make up an axle beam The FDA casing is equipped with a breather 17 maintaining normal pressure in the axle beam and main gear housing The oil is poured in the axle beam till the lower edge of the filler opening through the plugs 41 installed in the arm supports 14 and 22 Axle beam oil draining is carried out by me...

Страница 115: ...ifferential is a self locking type with enhanced friction In the differential casing 1 fig Д 26 and a cover 7 bolted together there are two pairs of planetary gears on the floating axes 5 side gears 8 press on carriers 4 and friction disks driving 2 and driven 3 The self locking differential automatically connects both half axes and excludes sepa rate wheels slipping increasing the driving force o...

Страница 116: ...t 14 with the bent plane The bearings 18 are adjusted by means of the shims 21 which are installed between the barrel and the reduction gear casing The drive pinion of the wheel reduction gear is engaged with the gear train the driven pinion of the cylindrical gear 34 the second crown of which is a sun gear or the driving part of the planetary gear set The driven part of the planetary gear set con...

Страница 117: ...of the collar The rubber rings 19 23 25 gasket the swivel member bor ings and the splines of double turning joint To keep the normal pressure in the wheel reduction gear cages the breather 16 is installed in the re duction gear casing Fig Д 27 1 wheel flange 2 18 29 conical roller bearing 3 20 collar 4 mud collector 5 carrier 6 reduction gear cover 7 planetary gears axis 8 rollers 9 screw 10 backu...

Страница 118: ... FDA drive en gagement indicator lamp 12 are in stalled on the panel 1 face The latter is located over the tractor right hand side control panel Note A braking relay is provided in the FDA drive control electric circuit It en sures the automatic engagement of the drive when stepping on the interlocked service brake pedals How To Use the Front Driving Axle Control Key 11 1 When performing jobs with...

Страница 119: ...ributor hydraulic power lift and power lift drive The operating controls of the hydraulic system 7 8 Fig E 29 are located in the tractor cab with the exception of the pump engagement handle the design is left unchanged and additional position control handle 8а Fig E 29 located on the rear of the tractor on the hydraulic power lift Control of External Loads these are three handles of the flow throu...

Страница 120: ...e same from the operator lowers the RHL The RHL travel limiter 6 is located in the slot of the right hand side panel in which the position control handle 8 moves The positions of the oil tank oil pump filter and the distributor to control external loads are unchanged The distributor is of a sectional flow through type it has prior ity in control over the hydraulic power lift Hydraulic Power Lift F...

Страница 121: ...ing process is performed by means of the regulator distributor built in the mon oblock 1 and controlled be means of the position sensor 3 When the draft control is used the position handle 6 should be shifted to its foremost position in the direction of the tractor forward travel corresponding to the bottom position of hitch drop links The draft control handle 7 is set to the required ploughing de...

Страница 122: ...dible cylin ders etc However this adjustment type is not recommended for use on uneven fields The position control on a field with un even surface can cause shocks caused by quick vertical movements of the cou pling arrangement Draft control It is the most suitable mode for opera tion with mounted or semi mounted im plements the work members of which are deepened into the soil The system is sensit...

Страница 123: ... height by means of the handle 3 and move the adjustable stop 1 to the latter Draft control Use this method of adjustment when working with the mounted implements ploughs cultivators Move the draft control handle 2 to the foremost posi tion in the direction of the tractor forward travel digit 9 on the control panel Connect the implement to the RHL by means of the position control handle 3 On enter...

Страница 124: ...uilt in the lift without regulator controlled from the electro hydraulic regulator The schematic hydraulic diagram of he hy draulic system with the electric hydraulic regulator of the RHL control in shown in Fig E 31 Fig E 31 Schematic hydraulic diagram 1 RS 213 Mita hydraulic distributor 2 ЕНR5 ОС electro hydraulic regulator 3 Ц80х220 hy draulic cylinders 4 НШ32 3 pump 5 drain filter 6 quick conn...

Страница 125: ...ystem Fig E 32 at the cost of the electro hydraulic block 3 mounted on the oil tank 1 The lever control of the distributor 2 and НШ32 3 the gear pump are similar for all the ver sions of the above hydraulic systems Fig E 32 Casing of the hydraulic units assembled with the other ones 1 oil tank 2 distributor control 3 electro hydraulic unit RS 213 Mita adaptor ЕНR5 4 НШ32 3 pump 5 6 side leads ...

Страница 126: ...S213 Mita distributor manufactured in Finland ЕНR5 ОС electro hydraulic regulator manufactured by the Bosch Company Germany and adaptor plate 2 manufactured by the MTZ The construction arrangement of the ЕНR5 ОС electro hydraulic regulator is shown in Fig E 34 Fig E 34 ЕНR5 ОС electro hydraulic regulator The ЕНR5 ОС electro hydraulic regulator Fig E 34 is controlled by two proportional magnets wit...

Страница 127: ... Force sensors 6 7 RHL position sensor 3 Solenoid valves for lifting 10 and lowering 9 Connecting cables with electric connectors 8 The electronic part of the system oper ates as follows On turning the key switch of the starter and instrumentation to the position Instrumentation energized the power supply voltage is fed from the elec tric equipment system through an single terminal block with viol...

Страница 128: ...sition by shifting the switch to the right 8 diagnostic alarm see Fault Diagnostics 9 damping but ton 10 damping indicator The procedure of control of the rear hitch linkage is as follows depending on the character of job set the control method by means of the handle 2 Fig E 36 set the treatment depth and height of the implement lifting in the transporta tion position by means of the handles 4 and...

Страница 129: ...ng speed 4 The lifting and lowering of the rear hitch linkage by means of the remote control buttons on the fenders of the rear wheels can be performed in any control modes the handles can be set to arbitrary position In this case the cab control system is blocked WARNING When using the remote control units never stand between the tractor and the implement ganged To avoid accidents it is strictly ...

Страница 130: ...second one to the num ber of indicator blinks after short pause For example long pause three blinks of the indicator short pause six blinks of the indicator It means that in the system there is a fault under the code 36 Should there be several faults the system indicates the fault codes one after another with sepa rating them with a long pause All the faults are divided into the three groups compl...

Страница 131: ...e to the medium po sition 3 Start the engine and if there are no de fects proceed to work If the defects have not been eliminated perform the system diagnostics and eliminate the faults The possible defects and methods of their check up are given in the table below The connection diagram of the RHL con trol system is shown in Fig E 37 ATTENTION 1 The electric connectors of the control system of th...

Страница 132: ...noid valve for low ering or lifting Short circuit in one of electromagnets or between the electromagnet control wires in the bundle Fig E 37 Disconnect the bundles from the electromagnets and check the electromagnets for short circuit by means of a tester The electromagnet resistance shall not exceed 2 4 Ω Alternatively measure the electro magnet consumption current when applying the volt age of 6...

Страница 133: ... not connected or not adjusted Fig E 37 Check the reliability of connection of the electric connec tor to the position sensor 3 Fig E 35c the bundle connected to the sensor for mechanical damage the correctness of setting the RHL eccentric i e in case of maximum lowering of the RHL the sensor shall be pressed to the minimum extent and vice versa the correctness of adjustment of the position sen so...

Страница 134: ... damage Over load of the force sensor is also possible Light defects 34 Control panel fault The RHL control rate potenti ometer is faulty Fig E 37 Check the reliability of connection of the connectors of the control panel and electronic unit as well as check the bundle for mechanical damage Check the output voltage according to the electric diagram 36 Control panel fault The po tentiometer of comb...

Страница 135: ...BELARUS 1221 2 1221В 2 1221 3 Description and operation 134 Fig E 37 Electric connection diagram of the RHL control system ...

Страница 136: ...d category the diameter of the holes of the rear joints of the lower connecting rods is equal to 37 4 mm the diameter of the pin of the upper rod is 31 75 mm ATTENTION Prior to ganging the ma chines read carefully this section The tractor is equipped with the one piece connecting rods 1 with the length of 885 mm and the upper rod 2 with the third category joints For operation with the second categ...

Страница 137: ... pin IMPORTANT Adjust the position of the machine by means of the right hand an gle brace only To follow the relief of the field area to be treated when working with wide cut ma chines and to avoid damage of the angle braces connect the angle braces 4 with the lower rods 5 through the slots indi cated by an arrow IMPORTANT When doing this the slots of the angle brace fork shall be behind the hole ...

Страница 138: ...t the length of the right hand tie link to the treatment depth ATTENTION The implement swinging amplitude shall be obligatorily ensured to be at least 125 mm to avoid breakage of the tie links when lifting the imple ment to the transportation position When transferring the implement to the transportation position tension the tie links 2 The swinging of the implement within 20 mm to both sides is a...

Страница 139: ...arts of the tractor is not in dan gerous vicinity of those of the imple ment the upper rod is not in contact with the PTO enclosure when the imple ment is in the bottom position the cardan drive from the PTO is not too long with large joint angles and there are no thrust forces the PTO is not in contact with the cardan drive of the machine lift slowly the implement and check the presence of the cl...

Страница 140: ... the same on the holes in the side pieces 3 7 The towing jaw 10 with the pivot 11 is intended for work with semi trailers The hitch pin python 15 can be also used for this purpose The drawbar 8 with the pivot 9 is in tended for hitching the semi trailed and trailed agricultural machines to the tractor Crossbar single 14 The crossbar complies with international standards and is intended for hitchin...

Страница 141: ... It is mounted on the tractor with the lift type guides of the traction hitch mechanism It can be delivered complete with the towing jaw intended for working with trailers and trailed agricultural machines The coupling hook consists of the follow ing basic parts 1 hook with axle 2 bracket with grips 3 guides of the trac tion hitch mechanism 4 lifting rods 5 control rod 6 control handle Variant wit...

Страница 142: ...evolutions and stop by means of a locknut with applying the hand torque too To adjust the control mechanism proceed as follows 1 Lift the lift levers to the maximum possible height which can be determined by the posi tion sensor and position handle of the dis tributor adjust the length of the lifting bars by means of the screws 3 turn in the screws 3 into the shackles 4 until the heads of the scre...

Страница 143: ...4 front drive axle 15 bracket 16 feed pump 17 intake oil duct 18 oil tubings HSU Structure and Operation The gerotor type measuring pump 6 is installed on the steering column bracket 5 turn hydraulic cylinders 9 13 on the front drive axle 14 on the front end of the tractor feed pump 16 on the en gine The measuring pump is connected to the turn cylinders feed pump and HSU oil tank 2 by means of oil...

Страница 144: ...driven end piece The safety valve 6 limits maximum pres sure in the oil discharge duct to within 14 15 MPa 140 150 kgf cm2 Fig E 41 Measuring pump exploded view 1 stator 2 rotor 3 slide valve 4 driven shaft 5 sleeve 6 safety valve 7 anti shock valve 2 off 8 anti vacuum valve 2 off 9 non return valve 10 casing I pumping unit II distributor The anti shock valves 7 limit pressure in the cylinder duct...

Страница 145: ...ides to make a turn when in re verse mode an additional steering post is installed on the cab rear wall in as sembly with a measuring pump Also pro vided is a forward travel reverse changeover valve which is mounted on a safety screen between the engine and the cab at the left if viewed in the direction of the tractor forward travel Connected to the valve are oil ducts from the feed pump and the d...

Страница 146: ...ous op eration of the systems of heating and air cooling Control of the climatic control system in the heating mode ATTENTION the engine cooling sys tem shall be only filled with coolant with low freezing point To ensure the efficient operation of the heating system observe the following recommendations 1 After filling the cooling system with coolant start the engine and let it run at medium speed...

Страница 147: ...an of the cooler heater connecting hoses with the complete set of quick release couplings electric cables air filters cold air control and fan switch The heating circuit is supplemented with the hoses connected with the tractor en gine cooling system and cooler heater Schematic diagram of air conditioning and cab heating The components of the air conditioning system are arranges as follows compres...

Страница 148: ...t from the compressor to the condenser 4 heater cooler 5 pipeline for feeding the coolant from the engine cooling system to the heater cooler 6 pipeline for feeding the coolant from the heater cooler to the com pressor 7 compressor 8 condenser 9 pipeline for feeding the coolant from the con denser to the drying filter 10 pipeline for draining the coolant from the heater cooler to the engine coolin...

Страница 149: ...d by means of the fan rotational speed and thermostat In this case the compressor can be operated either continuously or cyclically The main parameters and technical characteristics of the air conditioning and cab heating system are given in the table below Description of the parameter characteristic Value Cold productivity kW 6 4 Heat productivity kW 8 7 Operating voltage V 12 Electrical power co...

Страница 150: ...ment for maintaining the air conditioners The sys tem contains high pressure even in inac tive state 3 Prior to stopping the tractor engine make sure that the air conditioner is off 4 The r134a coolant is neither toxic nor flammable It does not form explosive mixtures The coolant boiling temperature under normal conditions is minus 27 C If the liquid coolant gets in contact with the skin it evapor...

Страница 151: ...of the po lyethylene fuel tank with the wrench S 19 fill the diesel cooling system with coo lant fluid up to the level of upper flank of the filler neck check and if necessary adjust tension of the generator belt lubricate tractor s mechanisms and components in accordance with the rec ommendations of the present Operators manual check and if necessary adjust the tires to the normal inflation ATTEN...

Страница 152: ...ld the key start switch in the position I for more than 2 seconds At this time a starting aid warning light will illuminate in the warning lights block indicating that preheater plugs are engaged Hold the key start switch in this position As soon as the warning light begins to flash the engine is ready for starting Turn the key start switch to the position II and start the engine as prescribed abo...

Страница 153: ...ngly Return the lever to neutral position N and then turn the lever to the left to select a desired gear range in accordance with shift pattern I Select a desired speed with the lever 2 as per shift pattern II Turn off a parking brake release a clutch pedal smoothly and simulta neously speed up the engine a trac tor starts moving WARNING Always depress a clutch ped al before selecting a required g...

Страница 154: ...range of the reducer Н Select a desired gear by shifting a lever 3 from neutral position N to one of the positions 1 2 3 4 5 6 in accordance with gear shift pattern II Turn off the parking brake release a clutch pedal smoothly and simulta neously speed up the engine A tractor starts moving IMPORTANT Engaging L and Н ranges of the reducer is possible on ly if the gear shift lever 3 is set to a neut...

Страница 155: ...ground and let the engine run at 1000 rpm for about 3 5 minutes It will allow decreasing the temperature of the coo lant fluid of the engine To stop the engine proceed as follows set the fuel feeding control lever to a zero position switch PTO off put all distributor handles to a neutral position pull the implement down to the ground using an appropriate control handle turn a ground switch off to ...

Страница 156: ...t 2037 rpm of the en gine The PTO driven equipment which re quires high power take off operates at 1000 rpm of PTO shaft tail and is pro vided with 21 splined coupling to be at tached to PTO shaft tail Two speed PTO switch position Engine speed rpm PTO speed rpm Power mode 6 splined speed I 82 h p 2037 2100 540 556 High power mode 21 splined speed II 123 h p 2156 2100 1000 974 Changing PTO shaft t...

Страница 157: ... leads to an excessive wear of rubbing engine parts 4 Operating a tractor at a too low gear with light loading and at a high engine speed leads to fuel waste You will save fuel consumption and minimize engine wear by selecting the correct gear range for each particular operation Carry out a tractor s running in while doing light work sowing cultivating moving transporting Load the engine by not mo...

Страница 158: ...tread size de pends on the mutual location of a disk relative to a flange and a rim relative to a disk The variants of the tread adjustment are stated below in Table K 1 Table К 1 Disk and rim installation variants Disk offset Х mm Tractor tread mm tyres 420 70R24 Standard disk installation with the rim adjustments 140 1540 90 1635 18 1850 68 1950 ...

Страница 159: ...BELARUS 1221 2 1221В 2 1221 3 Adjustments 158 Disk and rim installation variants Disk offset Х mm Tractor tread mm tyres 420 70R24 Disk and rim adjustments 56 1700 6 1800 102 2020 152 2090 ...

Страница 160: ... rim at the height of the horizontal wheels axles 4 Turn the parking brakes off and move the tractor forward so making the wheels turn for 180 approximately then measure the distance А in front of the front driving axle between the same metering points as in case with the distance В measurement The toe in is adjusted properly if the dis tance А is 0 8 mm less than the distance В If the toe in size...

Страница 161: ...e a given table for tread adjustment by measuring the distance К from the end of the semi axle to the end of the shells 6 Remove dismantling bolts and tighten the bolts of the hub s fastening 7 Install the wheel and repeat the proce dure for the opposite rear wheel Tread adjustment when doubling the rear wheels To install the hubs basic and additional ones of the external and internal wheels relat...

Страница 162: ...rear wheels with spacer for rows of 450 mm or 700 mm 1 wheel 2 nut 3 bolt 4 spacer 5 hub 6 elongated bolt Recommendations of using the tractor in the inter rows Table К 4 Inter row mm FDA Rear axle Tire size Tread mm Tire size Tread mm 450 и 700 11 2R28 1800 11 2R42 doubled with spacer 1522 3109020 01 1800 and 2700 1420 and 2820 ...

Страница 163: ...ld be as follows 64 2 mm PTO is engaged and 41 2 mm PTO is disengaged If the distance А is more than 80 mm PTO is engaged or less than 32 mm PTO is disengaged or if PTO is slipping adjust a backlash in the band brakes ATTENTION 1 Before starting PTO adjustment set an independent synchronized PTO modes shifter to a middle neutral position 2 Start the engine and do all PTO ad justments only at a run...

Страница 164: ...sing a wrench S 14 mm turn an ec centric control roller 3 clockwise by an angle of about 30 4 Reinstall the plate and the bolt 13 back Repeat the above mentioned operations until a specified distance А is obtained for both PTO engaged and disengaged modes If you fail to obtain a specified distance A and a flat on the roller 3 moved from an extreme right normal vertical position to an extreme left ...

Страница 165: ...ee Picture Ж 7 7 Splint and remove a plate 7 see Pic ture Ж 7 8 Fasten the adjusting screws 11 in turn with torque of 8 10 N m 0 8 1 kgf m then unscrew them by 1 5 2 0 turns each 9 Reinstall and splint the plate 7 10 Remove a bolt 28 from the lever 29 11 Start the engine and check the pres sure in the control system It should be not less than 1 МPa 10 kgf cm2 The distance А should be 64 2 mm and 4...

Страница 166: ... nut 17 After the clearance is adjusted the nut is punched in two slits of the flange 1 Fig К 9 Tapered roller bearings 6 of the driving gear 7 see Picture Ж 9 are to be ad justed without tightness with an axial play of not more than 0 05 mm The adjust ment is to be done using split adjustable gaskets 8 between a sleeve and a hous ing 5 Tapered roller bearings 11 of the pivots axles 9 15 see Pictu...

Страница 167: ...Removing the gaskets one by one se cure contacts closure of the switch 5 4 Disengage the semi coupling 2 cams B with the cams of the drum 1 At the same time the pusher 3 should be recessed to the maximum and contacts of the switch should be opened see Picture Ж 9а II The switch 5 is ad justed properly if its contacts are closed in position I and opened in position II Do checkup using an indicator ...

Страница 168: ... 77 MPa 7 7 kgf сm2 or not less than 0 53 MPa 5 3 kgf сm2 for Hungary and Germany If it is not so do the following operations 4 Check the availability of the clearance of 1 2 mm between a pin 9 and upper edges of the slots in the levers If there is no clearance remove the pin 9 and ad just the length of the rod 5 turning the end 2 5 Check and adjust if necessary com pression of a spring 4 to the d...

Страница 169: ...ake pedals Engage the parking brake moving its handle at maximum distance The pressure shall increase up to 0 65 0 8 MPa 6 5 8 0 kgf сm2 If the pressure on the gage connected to the coupling head does not correspond to the mentioned above pro ceed as follows 4 Check the availability of the clearance of 1 2 mm between a pin 1 and upper edges of the slots in the levers If there is no clearance remov...

Страница 170: ...ety valve 6 starts functioning at air pressure of 8 5 12 kgf cm2 If the valve functions at a different air pressure adjust it with a screw 8 a lock nut 7 being prelim inary loosened and then tightened unscrewing the cover 2 slowly adjust springs power 3 4 so that air pres sure in the receiver at which an un loading valve 5 is being opened makes 7 7 8 0 kgf cm2 fix the cover 2 in this position usin...

Страница 171: ...the pedal lever 1 and of a fork after that turn the fork to 1 5 2 revolutions and connect with the pedal lever with the help of the pin which corresponds to the pedal 1 stroke on the pad within the ranges of 8 11 mm d tighten up a nut on the rod and splint the pin To adjust the spacing between the re lease levers and a throw out bearing pro ceed as follows a disconnect the rod 4 from the lever 5 r...

Страница 172: ...ening remove the lock nut install and lock the pin check a brake fluid level in a chamber of the main cylinder which should be by 10 15 mm below the upper end of the main cylinder housing Add a brake fluid if necessary bleed a hydrostatic drive system doing the following remove a safety cap 23 Picture Д 11а of a valve 24 and put a pipe on a valve head and sink a free end of the pipe into a tank wi...

Страница 173: ...ostatic brakes drive in the following order remove a cap 10 Picture Д 21 1 and put a pipe on an overflow valve 9 head of the working cylinder 5 Sink a free end of the pipe into a tank with a brake fluid unscrew the valve by 1 2 3 4 turn and push the pedal 3 several times Pic ture К 16 till a pedal travel resistance appears and then holding it so screw the valve and release the pedal Repeat these o...

Страница 174: ...er pin 3 at 8 9 turns then lock it with the nut 2 Screwing the fork 6 in or out combine the openings in the lever 4 and in the fork 6 and lock with the nut Turn the lever 4 clockwise engaging the high gear of the GB reduction mechanism Move out the cylinder 1 rod combine the openings in the lever 4 and the fork 6 Connect the lever 4 and the fork 6 with the pin put the washer and a lock pin Screwin...

Страница 175: ...d hitching mechanisms within the MTA Conditions of aggregation of machines The tractor provides the possibility of operation of the machines the performance char acteristics of which are compatible in the part of the aggregation capability with the charac teristics of the tractor itself such as connecting dimensions possibility of motion at the necessary speed power take off and realization of a t...

Страница 176: ...ractor driver shall read also the technical documentation for the machine to be operated with the tractor 3 2 Types and classification of agricultural machine tractor aggregates on the ba sis of BELARUS tractors The agricultural aggregates operated on the basis of the BELARUS tractors are classi fied according to the following operational signs Kind of the process to be carried out ploughing sowin...

Страница 177: ... new height The two point articulated joint is implemented by fastening the link pins of the machine mounting axle with the joints of the lower rods of the traction hitch mechanism the upper rod is not used The option of use of a cross bar from the equipment of the tractor or ma chine is also possible 3 SEMI TRAILED to be fastened commonly to the hitching mechanism at one point by means of a hitch...

Страница 178: ...tention 1 Aggregation of the attached machines loaders bulldozers is not related to the in tended use of the BELARUS tractor 2 No permit for joint operation of the BELARUS tractors with the mounted trailed semi mounted and semi trailed machines is required provided such operation com ply fully with this Operating Manual for the tractor and does not fall outside the al lowable framework of its use ...

Страница 179: ...o avoid possibly heavier troubles in the process of its aggregation which could cause the breakdowns of the tractor The possibility of aggregation and selection of the machines for the tractor can be de termined independently by experimental or calculating method or on the basis of tests per formed previously by the respective organizations for example zonal machine testing sta tions as well as re...

Страница 180: ...y to reduce the grasp width and operat ing depth and vice versa It is necessary to keep also in mind that the speed and operating depth are often limited by the agrotechnical requirements The determination and assessment of the possibility of aggregation of the BELARUS tractor with agricultural machines shall be performed in several stages Stage I Data preparation and acquisition a Read carefully ...

Страница 181: ...ctor of your model For the machines located behind the tractor and driven from the PTO it is necessary to order the cardan shaft of the necessary length and type with the respective coupling di mensions The machines driven from the PTO can be equipped with a reduction gear pro viding for rotation of the cardan shaft both clockwise and counter clockwise When pur chasing the machine it is necessary ...

Страница 182: ...slopes and efficiency of brakes under local conditions a possibility of overcoming the ups and downs by the tractor with the machine loaded with process material b possibility of motion along the slope Assess the clearance value and steerability of the tractor aggregated During the motion the front wheels of the tractor shall not be taken off the road surface The front axle of the tractor shall pe...

Страница 183: ...gates by the allowable power of the PTO and hydraulic takeoff as well as by the throughput capacities of the machine tools Checking the correctness of formation of the aggregate according to the rota tional speed of the engine crankshaft In practice the operating motion speed of the tractor is selected based on the ta chospeedometer readings While knowing the range of agrotechenically allowable sp...

Страница 184: ...rankshaft rotational speed slightly exceeding the rated value indi cated on the tachospeedometer If the operating speed is below the required value a lower gear shall be put in Allowable skidding mode One of the main special requirements consists in obser vance of the allowable skidding limits 16 for wheeled tractors with two driving axles and up to 18 for wheeled tractors with one driving axle Th...

Страница 185: ... a disk over turn A B C Д should be used in exceptional cases only Fig Л 1 Rim fastening with reference to a disc А А С С inner В В Д Д outer С Д wheel exchange А В С Д disk over turn Rear wheels Tyre type Wheel position Tread size К mm Hub H setting out size to semi axle end mm 18 4R38 А С 16 9R38 А С A tread change by H value corresponds to a hub position change equal to H 2 from each side Fig Л...

Страница 186: ...mm Wheels tread К1 К2 mm К Cultivated crops front rear 11 2R24 11 2R42 spacer 11 2R42 450 500 1800 А 1500 В 1800 2700 1500 2500 Sugar beet 600 1820 А 1800 3000 Feeding beet vegetables 700 750 1400 А 1500 В 1420 2850 1500 3000 2930 Maize potatoes in hackles A spacer 1522 3109020 01 is used for inter rows of 450 mm and 700 mm the spacers for other inter rows width are developed and shipped by a buye...

Страница 187: ...tion valve unscrew a butterfly nut 2 of an air bleed valve con necting pipe connect a tire inflation hose to the air bleed connecting pipe and a tire s valve switch a compressor on and inflate a tire up to a required pressure level controlling it by a tire manometer IMPORTANT If pressure in a balloon exceeds 7 7 kgf cm2 the compressor is switched over to idling by a pressure regulator and tires in...

Страница 188: ...i mounted ones ploughs soil cultivating machines seeders potato harvesters etc Ось переднего колеса Front wheel axle Верхняя тяга Upper rod Нижняя тяга Lower rod Зона ВОМ PTO area Кат Cat Fig Л 5 Front hitch linkage HL 2 if installed Верхняя тяга Upper rod Нижняя тяга Lower rod ВОМ передний Front power take off shaft Зона ВОМ PTO area Ось переднего колеса Front wheel axle Fig Л 6 ...

Страница 189: ...ushings in a tractor set of tools and accessories Towing drawbar TD 1 cross bar Implements semi mounted ones seeders potato planters potato harvesters vegetables harvesters etc semi trailers mowing machines press pickups haulm pickers etc equipment with a trailing clevis on the towbar Повернуто Turned Поперечина Crossbar Под шкворень For connecting pin Отв Bore Fig Л 7 TD 1 with a lining for a hin...

Страница 190: ...wing drawbar A clevis with a possibility of vertical movement Hook Distance between the clevis or a hook sphere and a supporting surface mm 493 898 till the jaw axis in a stepped way 457 Clevis position for the implements with PTO drive Extreme lower or extreme up per Distance between the PTO end and connecting pin axis mm 160 or 110 110 Connecting pin diameter mm 30 sphere Ø 47 Vertical load on a...

Страница 191: ...ement Distance between the clevis and a supporting surface mm 435 905 or 589 1059 with a clevis overturn in a stepped way Clevis position for the implements with PTO drive Extreme lower or extreme upper includ ing a clevis overturn Connecting pin diameter mm 40 Distance between the PTO end and connecting pin axis mm 400 Vertical load on a TD kN 12 Implement turning angle with reference to a tracto...

Страница 192: ...ТD 2В and a TD 3В Fig Л 10 Towing drawbar A clevis with a possibility of a position change with reference to the PTO end Distance between the clevis and a supporting surface mm 442 Distance between the PTO end and connecting pin axis mm 390 or 490 Connecting pin diameter mm 30 Vertical load on a TD kN 12 Implement turning angle with reference to a tractor degrees 85 ...

Страница 193: ...ge provides the aggregation of the following types of the machines and implements mounted ones using the three point mounting upper and lover rods semi mounted lower rods semi trailed using the crossbar on the mounting axle lower rods The external limit rods with adjustable length serve for preventing the attached ma chines from swinging The following adjustments of the rear hitch linkage in the v...

Страница 194: ... the lower rods in the horizontal plane to not more than 20 mm Attention Failure to follow the recommendations for adjusting the limit rods and braces can cause the rupture of the rods and support brackets or other breakages С Adjusting the brace During the operation the braces are connected usually with the lower rods through the holes in the brace forks To improve the transversal contour followi...

Страница 195: ...essure hoses The oil consumption is 45 55 l min depending on the technical state of the hydraulic pump The oil takeoff by the hydraulic cylinders of the aggregated machine shall not ex ceed 16 l The level in the hydraulic oil tank should be checked with the plugs of the work ing cylinders retracted The shutting off and rupture members included in the spare parts and accessories kit of the tractor ...

Страница 196: ...number of holes for connection The normally aggregated machine is coupled through the middle hole of the crossbar In case of necessity of matching the track of the tractor with the aggregated machine mainly harvesting with insignificant draught resistance an asymmetric connection is al lowed The crossbar shall be acquired to the consumer s order Taking into consideration that the TD 2B TD 3B and T...

Страница 197: ...o avoid the overloads of the PTO drive when aggregating with the inertial ma chines fodder harvesters etc it is necessary to use the cardan shaft with the overrun ning clutch or combined clutch on the PIS side 3 The working torque on the cardan shaft shall not exceed the allowable torque on the PTO Fig 1 Table 2 PTO Shank type Rotational speed rpm Transmitted power kW h p of the PTO of the engine ...

Страница 198: ...more from a PTO side than from a power intake shaft side Cardan shaft length L is deter mined at the implement turning by a maximum angle with reference to a tractor If equality А В is not observed a rotation irregularity is suddenly increases resulting in the shaft overloading A cardan shaft length remains un changed at the implement turning with reference to a tractor A rota tion irregularity of...

Страница 199: ...connection Picture Л 15а End clevises should be in the same plane Picture Л 15б PTO Cardan hinges inclina tion angle max de grees Universal Equal an gular ve locities Engaged 22 25 50 short run Disen gaged 55 55 Cardan shaft telescopic elements overlapping should not be less than 110 mm to avoid disconnecting and jamming of the connection Picture Л 15г 110 мм не менее 110 mm not less Fig Л 15 ...

Страница 200: ... speeds Tire Load index Speed symbol Speed км ч Load per one tire kg at inner pressure kPa 60 80 100 120 140 160 180 14 9R24 126 A8 10 20 30 40 1260 1180 1025 960 1490 1395 1215 1135 1700 1585 1380 1290 1890 1765 1535 1435 2070 1930 1680 1570 2240 2090 1820 1700 2550 420 70R24 130 A8 10 20 30 40 1700 1535 1340 1250 1875 1720 1500 1400 2050 1845 1605 1500 2230 2030 1765 1650 2405 2210 1925 1800 258...

Страница 201: ...atform We recommend measuring the load on a separate axle of the tractor within a MTA using the following technique Standard equipment A Tractor with a rear mounted machine or mountable ballast weights the front hitch linkage is not used the front axle with the rear hitch linkage lowered is weighed the rear axle with the rear hitch linkage lifted is weighed Standard equipment B Tractor with a fron...

Страница 202: ...to reduce considerably the specific pressure on the soil and preserve the soil structure especially moistened fields Twinning the wheels on dense soils makes it possible to improve the tractive and hitching capabilities of the power source especially in combination with correct ballasting or loading of the tractor One of the wide spread means or aggregation is a hitched one through a rear hitch li...

Страница 203: ...ride If a tractor is equipped with a front hitch linkage a longitudinal stability of the agricultural aggregated unit can be provided with combined machines of front and rear location Вода Water Воздух Air Fig Л 17 Tires filling up with liquid Tire Water quantity l at 75 of filling Water quantity l at 40 of filling 420 70R24 183 97 14 9R24 172 91 18 4R38 412 219 16 9R38 356 189 11 2R24 80 42 A rec...

Страница 204: ... placing when attaching 4 5 bodies ploughs Ploughing according to the scheme TRACTOR WHEELS ARE IN A FURROW мм mm Fig Л 19 To obtain a tread size add a profile width of a relevant tire to A and B sizes Despite the variety of ploughs constructions there are some general principals and the or der of their preparation to the work with the tractor The type of plough is selected according to the runnin...

Страница 205: ...ont towing device also if front weights are installed or via cross bar at a suspension axle of the front hitch linkage HL 2 can be attached to make a harvesting ag gregate unit Reset to a reverse gear and than to forward gear again takes 3 5 min Fig 2 Driving on the roads of general purpose is performed only at forward motion The motion on reverse is not permitted as signaling and lighting equipme...

Страница 206: ...he machine weight is not more than 6000 kg The machine is not equipped with the service brake system 20 0 The machine weight is not more than 6000 kg 15 0 The machine weight is not more than 6000 kg б by means of TD 1 TD 1Ж 01 15 0 в by means of hitch linkage HL 2 20 0 The weight of the tractor within the MTA is not more than 6500 kg 15 0 The weight of the tractor within the MTA is not more than 6...

Страница 207: ...actor with various machines but are often unconsciously ignored by you during the everyday use of the tractor and machines 3 12 1 MOTION ON PUBLIC ROADS AND HAULING OPERATIONS Actually for the half of the time of its operation the tractor is used on transport commu nication driving on public roads Therefore the transport MTAs are subject to exclusive safety standards The vehicles such as tractor t...

Страница 208: ...allowed because it causes the dazzling of other traffic participants 4 The motion of the tractor aggregated with agricultural machines with the vessels filled process material fertilizers seeds etc on public roads is prohibited 3 12 2 On the intended use of the tractor and machines within the MTA The tractor and machines either separately or within the MTA should be only used in accordance with th...

Страница 209: ...e sure that the used supporting facilities are positioned properly assess the stability Mount the ballast weights and counterweights only in the fastening points provided for this purpose in accordance with the recommendations Observe the allowable values of the vertical static loads on the axles tyres total operating weight and dimensions in the transport position Check the condition of the trans...

Страница 210: ... three point hitch linkage the control units of the above mentioned attachment should be set to the position excluding the unintended lifting or lowering of the aggregate When connecting the machine to the joints of the three point hitch linkage ensure the matching of sizes of the respective connecting members category or type tractor aggregate The stay in the zone of the three point mounted attac...

Страница 211: ...ever engage the power takeoff when the engine is stopped When working with the power takeoff make sure that there are no people in the zone of rotation of the power takeoff and cardan shaft Disengage at all times the power takeoff when beginning driving on a step slope as well as in cases where its operation is unnecessary After disengaging the power takeoff the hazard due to the inertial mass rem...

Страница 212: ...tion key Any works with the hydraulic and pneumatic connections of the hydraulic accumula tors and receivers of the machines shall be performed with the pressure released Improper installation and operation of the hydraulic accumulators with violation of the labour protection requirements can become a cause of heavy accidents 3 12 8 Tyres braking system Caution Do not forget that the pneumatic sys...

Страница 213: ...or The possibil ity of safe motion of the tractor with satisfactory steerability and stability is evaluated by the steerability criterion which is characterized by the ratio of the value of the load on the front axle of the tractor to its standard weight The steerability criterion is determined by calculation The aggregation of the technical means with the tractor is prohibited if the value of the...

Страница 214: ...ater solu tion Assign the required pressure in the tyres depending on the maximum load and speed under specific working conditions The value of separate loads on the front and rear axles of the tractor within the MTA shall not exceed the total allowed load carrying capacity of the front and rear tyres of the tractor respectively at the given speed and internal pres sure as specified in the Table o...

Страница 215: ...m Wrong fuel injection advance angle Set the recommended injection advance angle Pressure of boost has decreased Remove turbocharger from engine and send it to workshop for repair Air gets in fuel system Pump over fuel system by means of pump of manual pumping Diesel engine fumes in all operating modes 1 Black fume is emitted from the exhaust pipe Engine air cleaner is clogged Carry out technical ...

Страница 216: ...bolt with nut placket of ge nerator and lever of idler Jamming of idler on axle Disassemble tension device and remove defect Oiling of fan driving belt and pulleys Remove driving belt and remove oil tracks from belt surface and pulleys Oil pressure on warmed up diesel engine below admissible Pressure index is defective Replace pressure index after check of oil pressure by control manometer Tightne...

Страница 217: ...learance between the shifter bearing and release levers the clutch is half disengaged no free travel of the ped al Adjust the clearance see the section Maintenance No full engagement of clutch coupling the lever does not moves back to the initial po sition when releasing the clutch pedal be cause of disfunction of clutch control Reveal defects and eliminate Linings of driven disks are worn out Rep...

Страница 218: ... oil petrol kerosene diesel fuel in the brake fluid Wash out carefully the whole system of hy draulic drive with brake fluid Replace dam aged cuffs and a sealing ring in the main and operating cylinder Replace brake fluid Bleed the hydraulic system with brake fluid on reverse Stiff transfer of hydraulic booster piston Replace hydraulic booster Clogging of the compensation port in the main cylinder...

Страница 219: ...ing ring in the main and operating cylinder Make sure that there are no sharp edges high spots or blisters on the face of the main and op erating cylinders Bleed the hydraulic sys tem with brake fluid on reverse Flexible hose increases in volume blows up elongates Replace flexible hose Gear box back axle Complicated switch in of gears Drive coupling Adjust Low pressure in hydraulic system of gear ...

Страница 220: ...king cylinders pressing discs Replace springs ATTENTION Failure of tractor brakes often occurs when trailers and semi trailers used with tractor do not have brakes blocked with tractor brakes Using trailers and semi trailers without brakes blocked with tractor brakes is not permitted if their weight exceeds half of tractor weight Differential block does not work Clutch discs are greasy Eliminate o...

Страница 221: ... and install switch in position switched off or automatic Wrong limiting angle of wheels turn Check and adjust Bang in pivot at movement Adjustment of pivots bearings is disturbed Check and adjust Bang in front driving axle at sharp turn of wheels Gaps in pins of steering draft and hydro cy linders of turn Check and adjust Dribbling of greasing through cuff of main gear flange Deterioration and da...

Страница 222: ...lings or hydrocylinder Steering wheel does not rotate to neutral position motoring of pump meter Increased friction or shimming in mechani cal elements of steering column Eliminate reasons of friction and shimming Spline shank of steering column and pump meter are installed out of axis alignment end thrust of cardan shaft or with insuffi cient backlash Release cardan For increase of backlash insta...

Страница 223: ... the position handle to the rear position The spool valve shall move upwards to the distance of at least 7 mm If not so remove the regulator distributor clean it from foreign particles jammed be tween the edges of the spool valve and body The loaded mounted attachment is not lifted or is lifted too slowly The fault becomes apparent as oil in the hydraulic system is warmed up the pump is faulty Che...

Страница 224: ... distributor pump squeals Insufficient quantity of oil in hydrosystem Make sure that there is oil in oil tank add in case of necessity Spontaneous move of power and position handles on board Fastener of frictional washers on arm in board is weakened Adjust a fastener of spring by nut on arm axle till defect eliminates Electrical equipment Storage battery has low degree of charge Transitive resista...

Страница 225: ...heck chain tighten contacts of wires fas tening Noise of enerator Slipping or extreme tension of generator belt Remove generator and send it to workshop for repair Adjust tension of generator drive belt Electric tachospeedometer See defects of tachospeedometer in section Operating controls and instruments Block of heating and cooling of air in cabin Warm air does not move to cabin There is no circ...

Страница 226: ...bled con taminated or damaged Remove cobble clean valve or replace it Diaphragm of brake valve is disturbed Replace diaphragm Insufficient pressure in receiver Air outflow Remove air outflows Work of pressure regulator is disturbed Adjust pressure regulator Absorbing and pressure valves of com pressor are out of order Clean valves from coke formation in case of high wear replace them High wear of ...

Страница 227: ... section Adjustments Brake valve does not provide pressure drop to zero in connecting pipe Adjust brake valve and its drive see section Adjustments Pressure in connecting pipe slowly drops to zero Check condition of connecting pipe atmos pheric valve hole brake pedal stroke Work of trailer brake system of is disturbed Adjust Brakes of trailer are released slowly Adjustment of brake valve and its d...

Страница 228: ...e ON position and the presence of chassis on the engine If the electric circuits are in good order but no voltage is applied to the air conditioner M7 replace the switch When the air conditioner is switched to the cooling mode warm air is supplied to the cab Destruction of the seal of the cock ПО 11 or ВС11 Replace the cock ПО 11 or ВС11 Coolant leakage from the ventilation com partment of the cab...

Страница 229: ...any MS works adjustments etc If guards and casings were removed make sure that they are installed to their respective places before you start working on the tractor IMPORTANT Observe the rules of storage and disposal of waste Never pour liquids to the soil Use special containers for safe storage of waste Refill capacities l Engine crankcase lubrication system 18 22 Engine cooling system OZH 40 or ...

Страница 230: ...for content by volume of rapeseed oil bio compone nt in fuel TU BY 500048572 0 01 2008 Diesel fuel EN 590 2004 with sulfur content not exceeding 350 ppm 0 035 At an ambient temperature of minus 20 C and higher or minus 30 C and higher Diesel fuel STB 1658 2006 with sulfur content not exceeding 350 ppm 0 035 F grade type 1 or 2 None Blended biodiesel fuel of B R XX DtZ grades XX stands for content ...

Страница 231: ...ГОСТ 8581 78 None Castrol Turbomax SAE 15W 40 Hessol Turbo Diesel SAE 15W 40 Essolube XD 3 Multigrate Shell Rimula TX Shell Rimula Plus Teboil Super NPD power Royal Triton QLT U 76 Neste Turbo LE Mobil Delvac 1400 Super Ursa Super TD Texaco Winter Motor oil Lukoil Super SAE 5W 40 Motor oils M 8DM M 8G State Standard ГОСТ 8581 78 None Shell Helix Diesel Ultra SAE 5W 40 Hessol Turbo Diesel SAE 5W 40...

Страница 232: ... as into transmission housing Motor oil same as into transmission housing 2 5 0 1 to the level of check plugs 1 000 500 Transmis sion housing C GB and ZM 1 Motor oil M 10G2 State Standard ГОСТ 8581 78 summer grade Motor oil M 8G2 State Standard ГОСТ 8581 78 winter grade Motor oil M 10V2 State Standard ГОСТ 8581 78 Motor oil M 10G2k summer grade State Standard ГОСТ 8581 78 Motor oil M 8G2k winter g...

Страница 233: ...lanetary parallel s haft with long beam 1 TAp 15V transmission oil State Standard ГОСТ 23652 79 TAD 17i transmission oil TSp 15K State Standard ГОСТ 23652 79 TEP 15M TU 38 401 58 3 05 2002 None HESSOL BECHEM HYPOID SAE 80W 90 API GL5 GL4 3 9 0 04 1000 or seasonal HSU tanks with hydraulic units cylinder metering pump 1 Multigrade 9 0 0 35 1000 or seasonal Industrial oil BECHEM Staroil No 32 TU 903 ...

Страница 234: ...l M 10G2 State Standard ГОСТ 8581 78 HESSOL BECHEM HYPOID SAE 80W 90 API GL5 GL4 3 2 0 2 1000 or seasonal Tank of HLL with hydraulic units 1 Multigrade 25 25 0 5 Season Seasonalit y of oil use refers to operation Hydraulic oil BECHEM Staroil No 32 TU 903 201 042 05 ADDINOL Hydraulikol HLP 32 TU 903 201 044 05 TNK Gidravlik HLP 32 TU 236 915 052 08 Industrial oil IGP 18 TU 38 10 1413 97 winter MGE ...

Страница 235: ...on 3 Lubricants Clutch release yoke bearing 1 Litol 24 grease State Standard ГОСТ 21150 87 BECHEM LCP GM Solid oil S grease State Standard ГОСТ 4366 76 or Solid oil ZH grease State Standard ГОСТ 1033 79 BECHEM LCP GM 0 02 0 001 250 FDA reducer pin bearing 4 Litol 24 grease State Standard ГОСТ 21150 87 BECHEM LCP GM Solid oil S grease State Standard ГОСТ 4366 76 or Solid oil ZH grease State Standar...

Страница 236: ... linkage brace 2 Litol 24 grease State Standard ГОСТ 21150 87 BECHEM LCP GM Solid oil S grease State Standard ГОСТ 4366 76 or Solid oil ZH grease State Standard ГОСТ 1033 79 BECHEM LCP GM 0 01 0 001 1 000 4 Special fluids Clutch hydraulic drive tank and cylinders for BELARU S 1221V 2 1 Neva M brake fluid TU 2451 053 36 732629 200 3 None None DOT3 DOT4 Germany 0 4 0 1 1 000 8 10 Brake hydraulic dri...

Страница 237: ...5 C TU 2422 050 36 732629 200 3 Low freezing coolant OZH 40 up to minus 40 C State Standard ГОСТ 28084 89 Low freezing coolant Sibur Premiu m OZH 40 up to minus 40 C OZH 65 minus 65 C TU 2422 054 52 470175 200 6 Coolant OZH 40 up to minus 40 C OZH 65 up to minus 65 C State Standard ГОСТ 28084 89 None MIL F 5559 BS 150 USA FL 3 Sort S 735 UK For BELARUS 1 221 2 1221 V 2 26 5 0 2 For BELARUS 1 221 3...

Страница 238: ...a 28 28a 9 Check condition of the batteries clean the terminal connections and vent holes Operation 29 10 Change the oil in engine crankcase Operation 18 power train housings Operation 43 wheel reduction gears and FDA final drive Operation 44 11 Replace the paper filter elements of the engine and hydraulic system filters Operations 19 33 12 Lubricate the clutch release yoke bearing Operation 20 13...

Страница 239: ...ondenser 6c Check clean air conditioning drainage pipes 6d Remove condensate from the charge air cooler CAC tank of the engine BELARUS 1221 3 winter summ er 6e Check adjust tension of drive belt of air conditioner compressor 7 Discharge sediment from the coarse fuel filter and fuel tanks 8 Check generator belt tension 9 Lubricate steering cylinder pivots 10 Lubricate bearings of FDA reducer kingpi...

Страница 240: ...arking brake lever travel 28a Brake pedal travel BELARUS 1221V 2 29 Batteries 30 Draft and position control signal mixer 31 Clean the filter of the air pressure regulator in the pneumatic system 32 Check tightness of pneumatic system lines 33 Replace the oil filter of the hydraulic system 33a Replace the HSU oil filter 34 Clean generator 35 Clean the cab heating and ventilation system filter 35a R...

Страница 241: ... FDA final drive and wheel reduction gears 45 Lubricate the RHL right brace 46 Lubricate the RHL arms pivoting shaft 47 Check engine injectors 48 Generator 49 Bearings of the FDA reducer flange check adjust 51 Engine fuel pump 53 Flush the engine cooling system 54 Flush the engine air breathers 55 Adjusting the engine centrifuge 56 Adjust oil pressure in the gearbox 57 Maintenance of the cab venti...

Страница 242: ...s To raise the hood Pull the lever 4 of the latch if you are at the left side of the tractor and raise the hood 3 Holding the hood with your right hand release the bar 1 of the detent 2 and enter the free end of the bar 1 into the shaped notch in the bracket 5 See Fig I Important Make sure that the hood 3 is securely fixed in the raised position To lower the hood Slightly raise the hood to release...

Страница 243: ...nd lock it open proceed as follows close the mask 2 if it was in the open position remove the monocyclone 1 open the lock 15 by pulling the cable 9 grip the edge of the hood 3 near the cab and open it to its highest position fix the hood 3 with the rod 12 in the bracket 13 To open the mask 2 and lock it in raised position proceed as follows close the hood 3 if was open open the lock 8 by pulling t...

Страница 244: ... 16 fasten the sides 4 5 with the locks 7 To lower and close the hood 3 proceed as follows slightly raise the hood 3 to release the rod 12 secure the rod 12 in the clamp on the hood 3 lower the hood 3 to its low position until a distinctive click is heard the lock 15 engages install the monocyclone 1 To lower and close the mask 2 proceed as follows slightly raise the mask 2 to release the rod 11 s...

Страница 245: ...emove the oil level gauge 3 from the right side of the engine wipe it clean and reinsert it into place until it stops Remove the oil level gauge and determine the oil level It must be between the top and bottom oil level gauge marks As necessary add oil through the filler neck 1 removing the cap 2 IMPORTANT Do not operate the engine with the oil level below the bottom oil level gauge mark IMPORTAN...

Страница 246: ...pening the cap remove the pressure from the system before you completely remove the cap Avoid exposure of open parts of the body to hot coolant With a screwdriver blade inserted into the recess of the hatch 2 in the upper front part of the hood tilt back the cover to gain access to the heat exchanger cap 3 Remove the cap taking the above precautions and check the coolant level that must be up to t...

Страница 247: ...ulic system unitized with machines having single acting cylinders the cylinders of the machines and the hitched device must have their rods pulled in Operation 3a Oil level in HSU tank Check the oil level in the HSU tank 5 by performing the following operations Remove the filler neck cap 3 Remove the strainer 4 from the filler neck Check the oil level by the strainer which must be between the filt...

Страница 248: ... steering brakes and lighting and signaling devices The engine must work steadily in all modes The controls brakes light and sound signaling devices must be in good condition Operation 6 Check fluid level in the housings of main cylinders of clutch and service brake control drives BELARUS 1221V 2 Slide the covers from the housings of the main cylinders of clutch and brake control and check the flu...

Страница 249: ... case of severe clogging of the condenser rinse it with hot water under pressure of 0 15 to 0 2 MPa max and blow with compressed air Operation 6c Check clean drain pipes of condensate Blue drain pipes are to the right and left of the heat exchanger pipe under the ceiling panel Check and as necessary in order not to allow plugging clean the drain pipes A sign of a clean drain pipe is water dripping...

Страница 250: ...endicularly to the middle part of the branch Adjust tension of the belt 1 by turning the compressor 2 around the rotation axis A and tightening the threaded coupling B in the groove of the sector C After adjustment the belt deflection under a force of 39 2 0 N applied perpendicularly to the middle part of the branch must be 4 to 6 mm Operation 7 Discharge sludge from the coarse fuel filter and fro...

Страница 251: ...ring cylinder joints Using a gun lubricate the joints through the lubricators 2 4 lubrication points with Litol 24 grease or its analogs Bechem LCP GM Operation 10 Lubricate bearings of the FDA reduction gear kingpin axles and the pivot axis hubs Splint the lubricators 1 with Litol 24 or Beсhem LCP GM grease making 4 to 6 injections 4 lubrication points Grease the lubricator 2 with the lubricant s...

Страница 252: ... filter element 4 from the casing 6 is not recommended Contamination of the monitor filter element 4 indicates that the BFE is damaged the paper shutter broken the bottoms unstuck In such a case rinse the MFE and replace the BFE Note In case of strong dust perform the Operation 12 every 20 hours of engine operation Operation 12a Check and tighten fasteners of wheel hubs and nuts Check the tighteni...

Страница 253: ...sing a non metallic scraper remove deposits from the inner walls of the rotor carrier Clean all parts rinse them in diesel fuel and blow with compressed air Assemble the filter performing the disassembling operations in the reverse order Before assembling the carrier with the rotor housing lubricate the O ring with motor oil Align the balance marks on the carrier and the rotor housing Screw the ca...

Страница 254: ... TAD 17i TSp 15K or their equivalents Operation 16 Rinse the GB oil strainer Unscrew and remove the strainer cover 1 Grasping by the button 3 take the strainer assembly out from the GB housing Unscrew the button 3 the locknut 2 and the butterfly nut 4 from the rod 9 Remove the washer 10 spring 6 piston 5 O ring 7 and the mesh elements 8 Rinse the mesh elements in pure diesel fuel Assemble the stra...

Страница 255: ...e Remove the cover 2 of the oil filler neck and unscrew the drain plug 4 Discharge oil into a suitable container for storage of waste oils Install the drain plug 4 to place and fill in fresh clean motor oil through the oil filler neck 1 Install the cover 2 of the oil filler neck to place Start the engine and let it operate for 1 2 minutes Check the oil level with the probe 3 as described in the Op...

Страница 256: ...rotate it to align the three lugs on the clamp 4 with the grooves of the cap 5 Remove the clamp 4 PFE 6 relief valve 7 spring 8 Rinse all parts with diesel fuel Install a new filter element performing the operations in the reverse order If necessary replace the gaskets 3 and 9 Tighten the nut 1 to a torque of 50 to 70 N m Lubricate the gasket 9 with motor oil Screw in the filter assembly to an add...

Страница 257: ...Note Do not inject excessive amounts of grease as excessive grease will accumulate inside the clutch housing and can get to the dry friction surfaces Operation 20 Turbocharger Check tightening of fasteners of the turbocharger 1 exhaust manifolds 3 and exhaust pipe bracket 2 As necessary tighten the fasteners to a torque of 35 to 40 N m Operation 21 Front wheel toe in The front wheel toe in must be...

Страница 258: ...let valve starts opening and the exhaust valve ends closing Adjust the clearances in the 3 5 7 10 11 and 12 valves counting from the fan ATTENTION The clearance between the ends of the valve rods 5 and the arm shaft strikers 4 must be 0 25 to 0 30 mm for the inlet valves and 0 40 to 0 45 mm for the exhaust valves Crank the crankshaft to 360 making an overlap in the sixth cylinder and adjust cleara...

Страница 259: ...plugs 1 and 2 Operation 24 Check tightness of connections of the air cleaner and intake Remove the monocyclone Start the engine Set the medium idle speed Close the suction pipe 1 of the air cleaner The engine must stop at this Otherwise identify and eliminate leakages in the air cleaner and intake joints Operation 25 Check oil level in the wet brake housings Check oil level in the left and right h...

Страница 260: ...l it stops that is when the release bearing touches the clutch toggle levers Unscrewing the fork 3 align the holes in the fork and the lever 1 and then screw in the fork into the rod 5 by 5 to 5 5 turns that is shorten the rod Assemble the clutch pedal leverage in the reverse order IMPORTANT Make sure that the clutch pedal always safely returns up to stop against the floor in the area of pedal fre...

Страница 261: ...ing in or out the bolt adjust the travel of the right service brake pedal Repeat the same for the left service brake pedal Note The left service brake pedal travel must be by 5 to 20 mm less for simultaneous actuation of the brakes when braking with interlocked pedals The parking brake must be fully engaged when the lever 1 is locked on the third or fourth tooth of the sector A under a force on th...

Страница 262: ...d with pneumatic brakes adjust the parking brake as follows Shift the lever 1 to the extreme front off position Loosen the locknuts 2 and 6 and remove the pin 8 Turn the lever 4 so that the upper edge of the groove in the lever 9 align with the upper edge of the groove in the lever 10 If necessary adjust the length of the rod 5 with the fork 7 setting the pin 6 and splint it Turning the adjusting ...

Страница 263: ...tteries in a ventilated room When servicing batteries wear protective goggles and gloves Check the electrolyte level it must be above the edges of the separators by 10 to 15 mm i e corresponding to the top mark on the battery body If necessary add distilled water filling with electrolyte is not recommended Check the electrolyte density in case of a drop in density by 0 03 g cm recharge the battery...

Страница 264: ...Clean the filter of the air pressure regulator in the pneumatic system To clean the filter element Remove the bolts 1 and cover 2 Take out the filter element wash it in detergent solution and blow with compressed air Assemble the strainer in the reverse order Operation 32 Check tightness of pneumatic system lines Bring the air pressure in the pneumatic system to 6 0 to 6 5 kgf cm by readings of th...

Страница 265: ...with the bolts 2 Operation 33a Replace the HSU tank oil filter Replace the HSU oil filter proceeding as follows Unscrew the four bolts 7 M6 16 and remove the filter assembly Unscrew the two bolts 6 M6 25 and disconnect the filter cover 8 from the carrier 1 Remove the filter element 2 spring 5 pressure relief valve assembly 4 and O rings 3 9 Rinse the carrier 1 in a washing liquid Install a new fil...

Страница 266: ... are difficult to remove Raise the cab roof 1 Remove the two mounting bolts and filter cover 2 together with the two filtering elements 3 Lightly shake the elements to remove free dust particles from the filter ATTENTION Be careful not to damage the filter Clean the filters with compressed air under a pressure not exceeding 2 bar Hold the hose nozzle not closer than 300 mm from the filter in order...

Страница 267: ...gs of FDA reducer kingpin axles Check and if necessary adjust the bearings 7 of the axles 5 14 as described in the section Adjustments Operation 36a Check tightening of the clamp bolts of the CAC air ducts BELARUS 1221 3 Check and tighten up as necessary the bolts fastening the CAC air ducts The tightening torque of the CAC air duct clamp bolts must be 10 to 15 N m 53 The operation is performed ea...

Страница 268: ...ker shafts with the rockers and poles Using a torque spanner tighten all the bolts fastening the heads to a torque of 190 to 210 N m in the sequence shown in the figure on the right for simplicity the figure shows one cylinder head Note Before tightening the bolts loosen them by 1 6 turn Install the rocker shafts to places and adjust the clearances between the rockers and the valves See Operation ...

Страница 269: ...he paper shutter air pressure must not exceed 0 2 to 0 3 MPa Direct the air jet at an angle to the BFE surface Avoid contamination with oil or mechanical damage to the BFE If blowing with air is inefficient rinse the BFE in washing solution The concentration of solution is 0 02 To wash the BFE dip it in the washing solution for 0 5 hours then rinse extensively in this solution for 15 min Rinse the...

Страница 270: ...ut off the fuel tank valve Unscrew the screws 1 fastening the carrier 3 and remove the bowl Unscrew the reflector with mesh 2 and remove the diffuser Wash in diesel fuel the reflector with mesh diffuser and filter bowl Assemble the filter parts in the reverse order Fill the system with fuel Purge the system and bleed air from the fuel system as specified in the Operation 38 ...

Страница 271: ...e plug 3 of the fine filter 4 Unscrew the handle 1 of the hand priming pump Check whether the fuel tank valve is opened and whether there is fuel in the tanks Loosen the plug 2 on the fuel pump Quickly purge the system with the boost pump until clean fuel without air bubbles emerges from the plug Tighten the fuel pump plug 2 Keep on purging the system until without air bubbles emerges from the fin...

Страница 272: ...int and replace worn parts Operation 42 Check and tighten external fasteners Check and if necessary tighten the following bolted connections Nuts of front and rear wheel hugs and bolts of rear hubs Front beam half frame side plates front hitch linkage and PTO if installed Engine clutch housing Clutch housing GB housing GB housing rear axle housing Rear axle housing rear hitch linkage bracket Rear ...

Страница 273: ...ing brake Lock the rear wheels with wedges on both sides Remove the cover 1 of the oil filler neck of the transmission the plug 3 of the hydraulic system oil tank and the plug 5 of the HSU oil tank Remove the drain plugs 2 4 6 from housings of the gearbox rear axle hydraulic system oil tanks and HSU respectively and discharge oil into a container for collection of waste oil Properly dispose of was...

Страница 274: ...disk brake housings operating in oil bath proceeding as follows unscrew the check fill plugs 1 of the left and right housings unscrew the drain plugs 2 and discharge oil as described above screw the drain plugs 2 fill the housings with fresh motor oil screw in the filler plugs 1 ...

Страница 275: ...plugs 1 Discharge oil into a special container to collect waste oils Properly dispose of oil Install the drain plugs to place and tighten them Fill the housings with fresh transmission oil to the lower edge of the check fill holes Install to place and tighten the plugs 2 Note Change oil also during the seasonal MS Operation 45 Lubricate the RHL right adjustable brace Using a gun lubricate the adju...

Страница 276: ... your hand to check injector leaks Use paper or cardboard Wear goggles Before disconnecting the fuel lines stop the engine to remove the pressure Before you start the engine firmly tighten connections of the fuel lines In case of skin contact with a fuel jet immediate seek medical help to avoid blood poisoning Note It is convenient to have spare injectors ready for use To replace the injectors pro...

Страница 277: ...ts 1 and 2 turn the generator in the direction of the engine unit and remove the generator drive belts 4 from the pulley 3 Check free rotation of the rotor and wear of the bearings If necessary remove the generator and send it to a shop for repair Operation 49 Flange bearings of the FDA planetary parallel shaft reduction gear Check and as necessary adjust the tapered roller bearings 3 5 without pl...

Страница 278: ...ed the table on the right Only a qualified technician should check and adjust the delivery commencement angle Remove the pump and send it to shop for bench check of conformity to the adjustment parameters speed mode rated delivery per stroke delivery per stroke etc Model of fuel pump Adjustment of timing angle deg to UDC D 260 2 D 260 2S D 260 2S2 363 40 OJSC YAZDA Russia 20 1 15 1 Motorpal Р Р 6М...

Страница 279: ...nger and fill the system with the prepared solution Start the engine and work for 8 to 10 hours then discharge the solution into a special container and flush the cooling system with pure water Operation 54 Flush the engine air breathers Remove the air breather housings 1 remove the air breathers from the caps of the cylinder head covers rinse them in diesel fuel and blow with compressed air Assem...

Страница 280: ... special shop Operation 56 Adjust the relief valve of the gearbox centrifuge The valve 2 maintains an oil pressure in the system of 0 9 to 1 0 MPa 9 to 10 kgf cm If the pressure drops below the specified limit adjust the valve 2 by installing additional washers 5 between the spring 3 and the plug 6 IMPORTANT If the pressure drops below 0 7 MPa 7 0 kgf cm stop the tractor and contact a technician T...

Страница 281: ...xchanger of the engine must drop 3 Add the coolant to the heat exchanger to the upper edge of the filler neck Operation 2 p N7 4 For a quick warm up of the cab switch on the heater fan switch 3 and open the recirculation valves 2 5 To discharge the coolant from the heater and the engine cooling system install the tractor on an even surface open the heater valve 1 remove the cap of the engine water...

Страница 282: ...n ropes to the FDA beam or eyebolt 1 and rear wheels half axles as shown on the pattern below If you fasten ropes to the eyebolt 1 run load handling de vice under eyebolt shank and lock in with stopper 2 through eyebolt When hydrostatic steering unit pump is disengaged tow tractor not faster than 10 km h on distance up to 5 km To connect towing rope use eye ring fas tened to the front balance weig...

Страница 283: ... with temperature 15 20 С Check and charge them monthly Jack up tractor front and rear axle and put it on the stands for tires unloading Drain coolant from engine cooling sys tem and cabin heating system Slacken generator and fan belts Cover exhaust pipe opening Make couple turns of the crankshaft not less than once in a month To use tractor after long term storage complete the following operation...

Страница 284: ...45 Injection timing angle before T D C degrees 20 1 15 1 or 16 1 6 0 5 Pressure at the beginning of injector nozzle needle lifting МPа kgf cm2 21 6 0 8 220 8 240 12 Tightening torque for main threaded joints N m kgf m cylinder heads anchor bolts main bearings bolts nuts of crankpin bearings bolts flywheel mounting bolts balance weight mounting bolts injectors mounting bolts crankshaft pulley bolts...

Страница 285: ... 1 7 should be done at force disengaged pneumatic corrector air pressure in pneumatic corrector is 0 8 1 0 kgf сm 2 Fuel pump РР6М10Р1f 3492 adjusting parameters at bench check Designation Measuring unit Value 1 Average cyclic fuel feed in the high pressure lines at rotational speed of 100 rpm not less mm 3 cycle 150 2 Rated speed of pump camshaft rpm 1050 10 3 Average cyclic fuel feed in pump hig...

Страница 286: ... and FDA DL 1 2 7 8 9 connecting blocks 4 eloctromagnet of FDA electro hydraulic distributor 5 FDA automatic control switch 6 electromagnet of DL electro hydraulic distributor 10 lamp of FDA signaling indicator 11 lamp of DL signaling indicator 12 FDA switch relay 13 14 diodes 15 braking relay 16 DL engaging relay 17 three way switch of DL control 18 three way switch of FDA control ...

Страница 287: ...ay 12 three way switch of DL control 13 three way switch of FDA drive control 14 Indicator lamp of front PTO switch 15 front PTO disconnect switch 16 front PTO two way switch 17 18 20 23 24 25 26 30 connecting block 19 contact sensor of 13 front wheels turning angle for DL 21 contactless sensor of 13 front wheels turning angle for DL 22 contactless sensor of 25 front wheels turning angle for FDA 2...

Страница 288: ...pplement 287 Code Designation Fig Note 1221 8700250 Д 1 with FDA 1524 or with FDA 1525 02 2 with FDA 1222 Wire colors Г blue Ж yellow З green К red Кч brown О orange P pink С grey Ф violet Ч black DL FDA PTO and reducer control scheme ...

Страница 289: ...gear SB1 Switch off ВК12 41 ТУ РБ 3734210 004 97 gear box neutral position SB3 Switch off ВК12 2 ТУ РБ 3734210 004 97 DL left brake SB2 SB4 Switch off ВК12 51 ТУ РБ 3734210 004 97 SB2 FDA automatic switch on SB4 DL 13 SP1 SP2 Pressure sensor ДСДМ М ТУ РБ 07513211 004 94 SP1 high gear SP2 low gear SQ1 SQ2 Switch off ЭВИТ С3 ТУ РБ 37334210 004 97 SQ1 FDA 25 SQ2 DL 13 VD1 VD5 Diode КД206А ТТ3 362 141...

Страница 290: ...BELARUS 1221 2 1221В 2 1221 3 Supplement 293 Electrical scheme of tractor connections ...

Страница 291: ...BELARUS 1221 2 1221В 2 1221 3 Supplement 294 Variants of tractor connections ...

Страница 292: ...ug 7 Control 3 Sensor 1 12 V 5 Chassis 5 Parameter value 2 3 Parameter selection 4 1 XS 9 1 1 Chassis 4 Parameter value 5 3 Parameter selection 9 Illumination 2 12 V 8 W 7 Right wheel 6 Left wheel XS 9 2 1 Illumination 2 Chassis 4 Buzzer 3 Battery charge 6 Emerg coolant temperature 7 Emerg oil pressure 8 ICE coolant temperature 5 Oil pressure in ICE 9 12 V XS 7 2 1 2 7 Air pressure 5 Emerg air pre...

Страница 293: ...BELARUS 1221 2 1221В 2 1221 3 Supplement 290 826 3805010 instrument board scheme ...

Страница 294: ...ter 1 P2 Instrument board КП 5 1 R1 Ballast resistor of fan engine 1 QS1 24 V batteries remote switch off 1 QS2 12 V batteries remote switch off 1 QS3 12 V batteries manual switch off 1 Designation Description Кол во A1 Stereo tape recorder 1 A2 Heating plug 6 A3 Control unit 1 A4 Conditioner 1 A4 1 Air handling unit 1 A4 1 1 Regulator of output air temperature 1 A4 2 Condensing unit 1 А4 3 Pressu...

Страница 295: ...t switch 1 SA9 Screen washer disconnect 1 SA10 Light switch 1 SA12 Switch off of start blocking 1 SA13 Beacon switch off 1 SB1 Alarm signaling switch off 1 SB2 Brake light switch off 1 SB3 Hand brake light switch off 1 SK1 Emergency temperature sensor 1 SP1 Air cleaner impurity sensor 1 SP2 Emergency air pressure sensor 1 SP3 Emergency oil pressure sensor 1 UZ1 Voltage changer 1 WA1 Aerial wire 1 ...

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